[PATCH] kfree cleanup: drivers/scsi
authorJesper Juhl <jesper.juhl@gmail.com>
Mon, 7 Nov 2005 09:01:26 +0000 (01:01 -0800)
committerLinus Torvalds <torvalds@g5.osdl.org>
Mon, 7 Nov 2005 15:54:01 +0000 (07:54 -0800)
This is the drivers/scsi/ part of the big kfree cleanup patch.

Remove pointless checks for NULL prior to calling kfree() in drivers/scsi/.

Signed-off-by: Jesper Juhl <jesper.juhl@gmail.com>
Cc: James Bottomley <James.Bottomley@steeleye.com>
Acked-by: Kai Makisara <kai.makisara@kolumbus.fi>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
21 files changed:
drivers/scsi/3w-9xxx.c
drivers/scsi/aacraid/commsup.c
drivers/scsi/advansys.c
drivers/scsi/aha1542.c
drivers/scsi/aic7xxx_old.c
drivers/scsi/arm/queue.c
drivers/scsi/dc395x.c
drivers/scsi/dpt_i2o.c
drivers/scsi/eata.c
drivers/scsi/ide-scsi.c
drivers/scsi/ips.c
drivers/scsi/lpfc/lpfc_els.c
drivers/scsi/lpfc/lpfc_init.c
drivers/scsi/lpfc/lpfc_mbox.c
drivers/scsi/lpfc/lpfc_sli.c
drivers/scsi/megaraid/megaraid_mbox.c
drivers/scsi/megaraid/megaraid_mm.c
drivers/scsi/qla2xxx/qla_init.c
drivers/scsi/sg.c
drivers/scsi/st.c
drivers/scsi/u14-34f.c

index d06ee65d668d845676d3886c001578073f038be6..3ff74f472249bb638a30933389b9046e75862633 100644 (file)
@@ -1017,8 +1017,7 @@ static void twa_free_device_extension(TW_Device_Extension *tw_dev)
                                    tw_dev->generic_buffer_virt[0],
                                    tw_dev->generic_buffer_phys[0]);
 
-       if (tw_dev->event_queue[0])
-               kfree(tw_dev->event_queue[0]);
+       kfree(tw_dev->event_queue[0]);
 } /* End twa_free_device_extension() */
 
 /* This function will free a request id */
index ee9067255930f8943505cdd6b694af0932ad349f..723c0cea7c04a4ade79767a22eadc27ed2747c67 100644 (file)
@@ -1164,7 +1164,7 @@ int aac_command_thread(struct aac_dev * dev)
                                                kfree(hw_fib_pool);
                                                hw_fib_pool = NULL;
                                        }
-                               } else if (hw_fib_pool) {
+                               } else {
                                        kfree(hw_fib_pool);
                                        hw_fib_pool = NULL;
                                }
@@ -1247,17 +1247,13 @@ int aac_command_thread(struct aac_dev * dev)
                                hw_fib_p = hw_fib_pool;
                                fib_p = fib_pool;
                                while (hw_fib_p < &hw_fib_pool[num]) {
-                                       if (*hw_fib_p)
-                                               kfree(*hw_fib_p);
-                                       if (*fib_p)
-                                               kfree(*fib_p);
+                                       kfree(*hw_fib_p);
+                                       kfree(*fib_p);
                                        ++fib_p;
                                        ++hw_fib_p;
                                }
-                               if (hw_fib_pool)
-                                       kfree(hw_fib_pool);
-                               if (fib_pool)
-                                       kfree(fib_pool);
+                               kfree(hw_fib_pool);
+                               kfree(fib_pool);
                        }
                        kfree(fib);
                        spin_lock_irqsave(dev->queues->queue[HostNormCmdQueue].lock, flags);
index 37ec5411e325578ff572429e4868efa44884789d..f4cfb8f29620f53ba091487c7ac635134299e83e 100644 (file)
@@ -5402,10 +5402,8 @@ advansys_detect(struct scsi_host_template *tpnt)
                 release_region(shp->io_port, boardp->asc_n_io_port);
                 if (ASC_WIDE_BOARD(boardp)) {
                     iounmap(boardp->ioremap_addr);
-                    if (boardp->orig_carrp) {
-                        kfree(boardp->orig_carrp);
-                        boardp->orig_carrp = NULL;
-                    }
+                    kfree(boardp->orig_carrp);
+                    boardp->orig_carrp = NULL;
                     if (boardp->orig_reqp) {
                         kfree(boardp->orig_reqp);
                         boardp->orig_reqp = boardp->adv_reqp = NULL;
@@ -5457,10 +5455,8 @@ advansys_release(struct Scsi_Host *shp)
         adv_sgblk_t    *sgp = NULL;
 
         iounmap(boardp->ioremap_addr);
-        if (boardp->orig_carrp) {
-            kfree(boardp->orig_carrp);
-            boardp->orig_carrp = NULL;
-        }
+        kfree(boardp->orig_carrp);
+        boardp->orig_carrp = NULL;
         if (boardp->orig_reqp) {
             kfree(boardp->orig_reqp);
             boardp->orig_reqp = boardp->adv_reqp = NULL;
index adda750412f29a25ad0d870995062c10b7d54606..1b1adfb384cb9adaec27941fea08067d7582d2e5 100644 (file)
@@ -543,10 +543,8 @@ static void aha1542_intr_handle(struct Scsi_Host *shost, void *dev_id, struct pt
                        return;
                }
                my_done = SCtmp->scsi_done;
-               if (SCtmp->host_scribble) {
-                       kfree(SCtmp->host_scribble);
-                       SCtmp->host_scribble = NULL;
-               }
+               kfree(SCtmp->host_scribble);
+               SCtmp->host_scribble = NULL;
                /* Fetch the sense data, and tuck it away, in the required slot.  The
                   Adaptec automatically fetches it, and there is no guarantee that
                   we will still have it in the cdb when we come back */
@@ -1432,10 +1430,8 @@ static int aha1542_dev_reset(Scsi_Cmnd * SCpnt)
                    HOSTDATA(SCpnt->host)->SCint[i]->target == SCpnt->target) {
                        Scsi_Cmnd *SCtmp;
                        SCtmp = HOSTDATA(SCpnt->host)->SCint[i];
-                       if (SCtmp->host_scribble) {
-                               kfree(SCtmp->host_scribble);
-                               SCtmp->host_scribble = NULL;
-                       }
+                       kfree(SCtmp->host_scribble);
+                       SCtmp->host_scribble = NULL;
                        HOSTDATA(SCpnt->host)->SCint[i] = NULL;
                        HOSTDATA(SCpnt->host)->mb[i].status = 0;
                }
@@ -1495,10 +1491,8 @@ static int aha1542_bus_reset(Scsi_Cmnd * SCpnt)
                                 */
                                continue;
                        }
-                       if (SCtmp->host_scribble) {
-                               kfree(SCtmp->host_scribble);
-                               SCtmp->host_scribble = NULL;
-                       }
+                       kfree(SCtmp->host_scribble);
+                       SCtmp->host_scribble = NULL;
                        HOSTDATA(SCpnt->device->host)->SCint[i] = NULL;
                        HOSTDATA(SCpnt->device->host)->mb[i].status = 0;
                }
@@ -1565,10 +1559,8 @@ static int aha1542_host_reset(Scsi_Cmnd * SCpnt)
                                 */
                                continue;
                        }
-                       if (SCtmp->host_scribble) {
-                               kfree(SCtmp->host_scribble);
-                               SCtmp->host_scribble = NULL;
-                       }
+                       kfree(SCtmp->host_scribble);
+                       SCtmp->host_scribble = NULL;
                        HOSTDATA(SCpnt->device->host)->SCint[i] = NULL;
                        HOSTDATA(SCpnt->device->host)->mb[i].status = 0;
                }
@@ -1711,10 +1703,8 @@ static int aha1542_old_reset(Scsi_Cmnd * SCpnt, unsigned int reset_flags)
                                Scsi_Cmnd *SCtmp;
                                SCtmp = HOSTDATA(SCpnt->host)->SCint[i];
                                SCtmp->result = DID_RESET << 16;
-                               if (SCtmp->host_scribble) {
-                                       kfree(SCtmp->host_scribble);
-                                       SCtmp->host_scribble = NULL;
-                               }
+                               kfree(SCtmp->host_scribble);
+                               SCtmp->host_scribble = NULL;
                                printk(KERN_WARNING "Sending DID_RESET for target %d\n", SCpnt->target);
                                SCtmp->scsi_done(SCpnt);
 
@@ -1757,10 +1747,8 @@ fail:
                                                Scsi_Cmnd *SCtmp;
                                                SCtmp = HOSTDATA(SCpnt->host)->SCint[i];
                                                SCtmp->result = DID_RESET << 16;
-                                               if (SCtmp->host_scribble) {
-                                                       kfree(SCtmp->host_scribble);
-                                                       SCtmp->host_scribble = NULL;
-                                               }
+                                               kfree(SCtmp->host_scribble);
+                                               SCtmp->host_scribble = NULL;
                                                printk(KERN_WARNING "Sending DID_RESET for target %d\n", SCpnt->target);
                                                SCtmp->scsi_done(SCpnt);
 
index 52b72d7794f51aeadc11df93a1a53aed02f1b478..880e2d9ffe9bde841fec29501f7cdd28c0e4bd56 100644 (file)
@@ -8492,8 +8492,7 @@ aic7xxx_free(struct aic7xxx_host *p)
                                      - scb_dma->dma_offset),
                            scb_dma->dma_address);
       }
-      if (p->scb_data->scb_array[i]->kmalloc_ptr != NULL)
-        kfree(p->scb_data->scb_array[i]->kmalloc_ptr);
+      kfree(p->scb_data->scb_array[i]->kmalloc_ptr);
       p->scb_data->scb_array[i] = NULL;
     }
   
index e6d159270d294836ad6eb91436ae1785fe3b890c..b10750bb5c09b428687419376507190f125afec4 100644 (file)
@@ -91,8 +91,7 @@ void queue_free (Queue_t *queue)
 {
        if (!list_empty(&queue->head))
                printk(KERN_WARNING "freeing non-empty queue %p\n", queue);
-       if (queue->alloc)
-               kfree(queue->alloc);
+       kfree(queue->alloc);
 }
      
 
index c44af5795b10a547f0c7e915a7aed4de90e7cc0b..c8a32cf47d738fba4e991d1c2f37e09c6a5b08c2 100644 (file)
@@ -4270,8 +4270,7 @@ static void adapter_sg_tables_free(struct AdapterCtlBlk *acb)
        const unsigned srbs_per_page = PAGE_SIZE/SEGMENTX_LEN;
 
        for (i = 0; i < DC395x_MAX_SRB_CNT; i += srbs_per_page)
-               if (acb->srb_array[i].segment_x)
-                       kfree(acb->srb_array[i].segment_x);
+               kfree(acb->srb_array[i].segment_x);
 }
 
 
index 46d5571ec55a6844f50a0e646eec6594695f0623..c28e3aea1c3cef83f28e3b3bccb00dac2e8ada27 100644 (file)
@@ -1037,18 +1037,10 @@ static void adpt_i2o_delete_hba(adpt_hba* pHba)
        if(pHba->msg_addr_virt != pHba->base_addr_virt){
                iounmap(pHba->msg_addr_virt);
        }
-       if(pHba->hrt) {
-               kfree(pHba->hrt);
-       }
-       if(pHba->lct){
-               kfree(pHba->lct);
-       }
-       if(pHba->status_block) {
-               kfree(pHba->status_block);
-       }
-       if(pHba->reply_pool){
-               kfree(pHba->reply_pool);
-       }
+       kfree(pHba->hrt);
+       kfree(pHba->lct);
+       kfree(pHba->status_block);
+       kfree(pHba->reply_pool);
 
        for(d = pHba->devices; d ; d = next){
                next = d->next;
@@ -2706,14 +2698,12 @@ static s32 adpt_i2o_init_outbound_q(adpt_hba* pHba)
        // If the command was successful, fill the fifo with our reply
        // message packets
        if(*status != 0x04 /*I2O_EXEC_OUTBOUND_INIT_COMPLETE*/) {
-               kfree((void*)status);
+               kfree(status);
                return -2;
        }
-       kfree((void*)status);
+       kfree(status);
 
-       if(pHba->reply_pool != NULL){
-               kfree(pHba->reply_pool);
-       }
+       kfree(pHba->reply_pool);
 
        pHba->reply_pool = (u32*)kmalloc(pHba->reply_fifo_size * REPLY_FRAME_SIZE * 4, GFP_KERNEL|ADDR32);
        if(!pHba->reply_pool){
@@ -2929,8 +2919,7 @@ static int adpt_i2o_build_sys_table(void)
        sys_tbl_len = sizeof(struct i2o_sys_tbl) +      // Header + IOPs
                                (hba_count) * sizeof(struct i2o_sys_tbl_entry);
 
-       if(sys_tbl)
-               kfree(sys_tbl);
+       kfree(sys_tbl);
 
        sys_tbl = kmalloc(sys_tbl_len, GFP_KERNEL|ADDR32);
        if(!sys_tbl) {
index b45a4c7302305d5b78e19494f431604362c893e0..b3f9de8f75955f69d7bfa9f0a69c0d22cd8432da 100644 (file)
@@ -2580,8 +2580,7 @@ static int eata2x_release(struct Scsi_Host *shost)
        unsigned int i;
 
        for (i = 0; i < shost->can_queue; i++)
-               if ((&ha->cp[i])->sglist)
-                       kfree((&ha->cp[i])->sglist);
+               kfree((&ha->cp[i])->sglist);
 
        for (i = 0; i < shost->can_queue; i++)
                pci_unmap_single(ha->pdev, ha->cp[i].cp_dma_addr,
index f04f3289938d1c6f3ee30ac9faaff26b70f125c9..c888af4a45629cf8fa138dabcc99646f8199723d 100644 (file)
@@ -331,9 +331,9 @@ static int idescsi_check_condition(ide_drive_t *drive, struct request *failed_co
        rq = kmalloc (sizeof (struct request), GFP_ATOMIC);
        buf = kmalloc(SCSI_SENSE_BUFFERSIZE, GFP_ATOMIC);
        if (pc == NULL || rq == NULL || buf == NULL) {
-               if (pc) kfree(pc);
-               if (rq) kfree(rq);
-               if (buf) kfree(buf);
+               kfree(buf);
+               kfree(rq);
+               kfree(pc);
                return -ENOMEM;
        }
        memset (pc, 0, sizeof (idescsi_pc_t));
@@ -949,8 +949,8 @@ static int idescsi_queue (struct scsi_cmnd *cmd,
        spin_lock_irq(host->host_lock);
        return 0;
 abort:
-       if (pc) kfree (pc);
-       if (rq) kfree (rq);
+       kfree (pc);
+       kfree (rq);
        cmd->result = DID_ERROR << 16;
        done(cmd);
        return 0;
index 68e5b2ab27c4ac346d02ae4eb3926aa3212bf589..cd9b95db5a7d419ba29f82d6fd8aa45233d2b146 100644 (file)
@@ -4517,10 +4517,8 @@ ips_free(ips_ha_t * ha)
                        ha->enq = NULL;
                }
 
-               if (ha->conf) {
-                       kfree(ha->conf);
-                       ha->conf = NULL;
-               }
+               kfree(ha->conf);
+               ha->conf = NULL;
 
                if (ha->adapt) {
                        pci_free_consistent(ha->pcidev,
@@ -4538,15 +4536,11 @@ ips_free(ips_ha_t * ha)
                        ha->logical_drive_info = NULL;
                }
 
-               if (ha->nvram) {
-                       kfree(ha->nvram);
-                       ha->nvram = NULL;
-               }
+               kfree(ha->nvram);
+               ha->nvram = NULL;
 
-               if (ha->subsys) {
-                       kfree(ha->subsys);
-                       ha->subsys = NULL;
-               }
+               kfree(ha->subsys);
+               ha->subsys = NULL;
 
                if (ha->ioctl_data) {
                        pci_free_consistent(ha->pcidev, ha->ioctl_len,
index 08a0c00cfc302eee9f97a8f9668910672d39d08a..bcc29ec126dc1a29761885fe31193f75c1ad29d9 100644 (file)
@@ -127,8 +127,7 @@ lpfc_prep_els_iocb(struct lpfc_hba * phba,
        if (((pcmd = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL)) == 0) ||
            ((pcmd->virt = lpfc_mbuf_alloc(phba,
                                           MEM_PRI, &(pcmd->phys))) == 0)) {
-               if (pcmd)
-                       kfree(pcmd);
+               kfree(pcmd);
 
                spin_lock_irq(phba->host->host_lock);
                lpfc_sli_release_iocbq(phba, elsiocb);
@@ -145,8 +144,7 @@ lpfc_prep_els_iocb(struct lpfc_hba * phba,
                        prsp->virt = lpfc_mbuf_alloc(phba, MEM_PRI,
                                                     &prsp->phys);
                if (prsp == 0 || prsp->virt == 0) {
-                       if (prsp)
-                               kfree(prsp);
+                       kfree(prsp);
                        lpfc_mbuf_free(phba, pcmd->virt, pcmd->phys);
                        kfree(pcmd);
                        spin_lock_irq(phba->host->host_lock);
@@ -172,8 +170,7 @@ lpfc_prep_els_iocb(struct lpfc_hba * phba,
                lpfc_mbuf_free(phba, prsp->virt, prsp->phys);
                kfree(pcmd);
                kfree(prsp);
-               if (pbuflist)
-                       kfree(pbuflist);
+               kfree(pbuflist);
                return NULL;
        }
 
index 4e04470321a27352391d78708d21133be8d48515..c90723860a049e15232452b60921909645c81bde 100644 (file)
@@ -894,8 +894,7 @@ lpfc_post_buffer(struct lpfc_hba * phba, struct lpfc_sli_ring * pring, int cnt,
                    mp1->virt = lpfc_mbuf_alloc(phba, MEM_PRI,
                                                &mp1->phys);
                if (mp1 == 0 || mp1->virt == 0) {
-                       if (mp1)
-                               kfree(mp1);
+                       kfree(mp1);
                        spin_lock_irq(phba->host->host_lock);
                        lpfc_sli_release_iocbq(phba, iocb);
                        spin_unlock_irq(phba->host->host_lock);
@@ -911,8 +910,7 @@ lpfc_post_buffer(struct lpfc_hba * phba, struct lpfc_sli_ring * pring, int cnt,
                                mp2->virt = lpfc_mbuf_alloc(phba, MEM_PRI,
                                                            &mp2->phys);
                        if (mp2 == 0 || mp2->virt == 0) {
-                               if (mp2)
-                                       kfree(mp2);
+                               kfree(mp2);
                                lpfc_mbuf_free(phba, mp1->virt, mp1->phys);
                                kfree(mp1);
                                spin_lock_irq(phba->host->host_lock);
index 31c20cc00609cda49a41ec52c144c548fb87b6f7..e3bc8d3f7302fa7bd9326ea34d39d60b6a2c1dfe 100644 (file)
@@ -248,8 +248,7 @@ lpfc_read_sparam(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
 
        if (((mp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL)) == 0) ||
            ((mp->virt = lpfc_mbuf_alloc(phba, 0, &(mp->phys))) == 0)) {
-               if (mp)
-                       kfree(mp);
+               kfree(mp);
                mb->mbxCommand = MBX_READ_SPARM64;
                /* READ_SPARAM: no buffers */
                lpfc_printf_log(phba,
@@ -363,9 +362,7 @@ lpfc_reg_login(struct lpfc_hba * phba,
        /* Get a buffer to hold NPorts Service Parameters */
        if (((mp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL)) == NULL) ||
            ((mp->virt = lpfc_mbuf_alloc(phba, 0, &(mp->phys))) == 0)) {
-               if (mp)
-                       kfree(mp);
-
+               kfree(mp);
                mb->mbxCommand = MBX_REG_LOGIN64;
                /* REG_LOGIN: no buffers */
                lpfc_printf_log(phba,
index 508710001ed61a9de13bdc37f3a34f4b0b885b54..e2c08c5d83fb3d75b605d2596152951baa6114e0 100644 (file)
@@ -2269,11 +2269,8 @@ lpfc_sli_hba_down(struct lpfc_hba * phba)
 
                INIT_LIST_HEAD(&(pring->txq));
 
-               if (pring->fast_lookup) {
-                       kfree(pring->fast_lookup);
-                       pring->fast_lookup = NULL;
-               }
-
+               kfree(pring->fast_lookup);
+               pring->fast_lookup = NULL;
        }
 
        spin_unlock_irqrestore(phba->host->host_lock, flags);
index c9e743ba09ec108d23129ae9d06d90092299aa8e..1a3d195a2d366d3994a39bc525bf5a0e5b69fe20 100644 (file)
@@ -3937,9 +3937,8 @@ megaraid_sysfs_free_resources(adapter_t *adapter)
 {
        mraid_device_t  *raid_dev = ADAP2RAIDDEV(adapter);
 
-       if (raid_dev->sysfs_uioc) kfree(raid_dev->sysfs_uioc);
-
-       if (raid_dev->sysfs_mbox64) kfree(raid_dev->sysfs_mbox64);
+       kfree(raid_dev->sysfs_uioc);
+       kfree(raid_dev->sysfs_mbox64);
 
        if (raid_dev->sysfs_buffer) {
                pci_free_consistent(adapter->pdev, PAGE_SIZE,
index 37d110e864c49c9c524e8347118e42050cdd3e49..8f3ce0432295b38424903a339cfb39bb1dee39d8 100644 (file)
@@ -995,17 +995,13 @@ pthru_dma_pool_error:
 
 memalloc_error:
 
-       if (adapter->kioc_list)
-               kfree(adapter->kioc_list);
-
-       if (adapter->mbox_list)
-               kfree(adapter->mbox_list);
+       kfree(adapter->kioc_list);
+       kfree(adapter->mbox_list);
 
        if (adapter->pthru_dma_pool)
                pci_pool_destroy(adapter->pthru_dma_pool);
 
-       if (adapter)
-               kfree(adapter);
+       kfree(adapter);
 
        return rval;
 }
@@ -1157,7 +1153,6 @@ mraid_mm_free_adp_resources(mraid_mmadp_t *adp)
        }
 
        kfree(adp->kioc_list);
-
        kfree(adp->mbox_list);
 
        pci_pool_destroy(adp->pthru_dma_pool);
index 290a6b92616ca9c83e6fa3b23abed5ce476671ca..72d9090df3dff8e8863204183b938c854392ce38 100644 (file)
@@ -1977,8 +1977,7 @@ qla2x00_configure_local_loop(scsi_qla_host_t *ha)
        }
 
 cleanup_allocation:
-       if (new_fcport)
-               kfree(new_fcport);
+       kfree(new_fcport);
 
        if (rval != QLA_SUCCESS) {
                DEBUG2(printk("scsi(%ld): Configure local loop error exit: "
@@ -2348,8 +2347,7 @@ qla2x00_find_all_fabric_devs(scsi_qla_host_t *ha, struct list_head *new_fcports)
        /* Allocate temporary fcport for any new fcports discovered. */
        new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL);
        if (new_fcport == NULL) {
-               if (swl)
-                       kfree(swl);
+               kfree(swl);
                return (QLA_MEMORY_ALLOC_FAILED);
        }
        new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
@@ -2485,19 +2483,15 @@ qla2x00_find_all_fabric_devs(scsi_qla_host_t *ha, struct list_head *new_fcports)
                nxt_d_id.b24 = new_fcport->d_id.b24;
                new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL);
                if (new_fcport == NULL) {
-                       if (swl)
-                               kfree(swl);
+                       kfree(swl);
                        return (QLA_MEMORY_ALLOC_FAILED);
                }
                new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
                new_fcport->d_id.b24 = nxt_d_id.b24;
        }
 
-       if (swl)
-               kfree(swl);
-
-       if (new_fcport)
-               kfree(new_fcport);
+       kfree(swl);
+       kfree(new_fcport);
 
        if (!list_empty(new_fcports))
                ha->device_flags |= DFLG_FABRIC_DEVICES;
index 4f30a37db63c90c26e111036aaf70d51af916507..62e3f340cc5200c38e630ff04151852fbf1c1a32 100644 (file)
@@ -476,8 +476,7 @@ sg_read(struct file *filp, char __user *buf, size_t count, loff_t * ppos)
        sg_finish_rem_req(srp);
        retval = count;
 free_old_hdr:
-       if (old_hdr)
-               kfree(old_hdr);
+       kfree(old_hdr);
        return retval;
 }
 
@@ -1703,10 +1702,8 @@ exit_sg(void)
        sg_sysfs_valid = 0;
        unregister_chrdev_region(MKDEV(SCSI_GENERIC_MAJOR, 0),
                                 SG_MAX_DEVS);
-       if (sg_dev_arr != NULL) {
-               kfree((char *) sg_dev_arr);
-               sg_dev_arr = NULL;
-       }
+       kfree((char *)sg_dev_arr);
+       sg_dev_arr = NULL;
        sg_dev_max = 0;
 }
 
index 6b85f84c839756680e8373ad45532ad946f8fce8..770c4324f3d5750e51eae824fd59a985209b9732 100644 (file)
@@ -4107,8 +4107,7 @@ out_free_tape:
        write_unlock(&st_dev_arr_lock);
 out_put_disk:
        put_disk(disk);
-       if (tpnt)
-               kfree(tpnt);
+       kfree(tpnt);
 out_buffer_free:
        kfree(buffer);
 out:
index cfab8f197084f167ed2dc5d2610e783583c40be3..1ce29ba683eb72a8953adb95cd9fa0e2d660d83c 100644 (file)
@@ -1953,11 +1953,11 @@ static int u14_34f_release(struct Scsi_Host *shpnt) {
 
    for (j = 0; sh[j] != NULL && sh[j] != shpnt; j++);
 
-   if (sh[j] == NULL) panic("%s: release, invalid Scsi_Host pointer.\n",
-                            driver_name);
+   if (sh[j] == NULL)
+      panic("%s: release, invalid Scsi_Host pointer.\n", driver_name);
 
    for (i = 0; i < sh[j]->can_queue; i++)
-      if ((&HD(j)->cp[i])->sglist) kfree((&HD(j)->cp[i])->sglist);
+      kfree((&HD(j)->cp[i])->sglist);
 
    for (i = 0; i < sh[j]->can_queue; i++)
       pci_unmap_single(HD(j)->pdev, HD(j)->cp[i].cp_dma_addr,
@@ -1965,7 +1965,8 @@ static int u14_34f_release(struct Scsi_Host *shpnt) {
 
    free_irq(sh[j]->irq, &sha[j]);
 
-   if (sh[j]->dma_channel != NO_DMA) free_dma(sh[j]->dma_channel);
+   if (sh[j]->dma_channel != NO_DMA)
+      free_dma(sh[j]->dma_channel);
 
    release_region(sh[j]->io_port, sh[j]->n_io_port);
    scsi_unregister(sh[j]);