From 2f9e9b6db31d96fe4e8b519b8aab1ba172dd3ddf Mon Sep 17 00:00:00 2001 From: Harvey Harrison Date: Mon, 28 Apr 2008 02:14:37 -0700 Subject: [PATCH] capi: fix sparse warnings using integer as NULL pointer drivers/isdn/capi/kcapi.c:829:30: warning: Using plain integer as NULL pointer drivers/isdn/capi/kcapi.c:838:27: warning: Using plain integer as NULL pointer drivers/isdn/capi/kcapi.c:954:17: warning: Using plain integer as NULL pointer drivers/isdn/capi/kcapi.c:1007:37: warning: Using plain integer as NULL pointer drivers/isdn/capi/kcapi.c:1009:33: warning: Using plain integer as NULL pointer drivers/isdn/capi/capiutil.c:453:24: warning: Using plain integer as NULL pointer drivers/isdn/capi/capilib.c:47:30: warning: Using plain integer as NULL pointer drivers/isdn/capi/capi.c:353:29: warning: Using plain integer as NULL pointer drivers/isdn/capi/capi.c:369:15: warning: Using plain integer as NULL pointer drivers/isdn/capi/capi.c:486:48: warning: Using plain integer as NULL pointer drivers/isdn/capi/capi.c:515:46: warning: Using plain integer as NULL pointer drivers/isdn/capi/capi.c:541:47: warning: Using plain integer as NULL pointer drivers/isdn/capi/capi.c:692:47: warning: Using plain integer as NULL pointer drivers/isdn/capi/capi.c:699:49: warning: Using plain integer as NULL pointer drivers/isdn/capi/capi.c:704:14: warning: Using plain integer as NULL pointer drivers/isdn/capi/capi.c:943:53: warning: Using plain integer as NULL pointer drivers/isdn/capi/capi.c:948:32: warning: Using plain integer as NULL pointer drivers/isdn/capi/capi.c:969:42: warning: Using plain integer as NULL pointer drivers/isdn/capi/capi.c:989:48: warning: Using plain integer as NULL pointer drivers/isdn/capi/capi.c:1026:69: warning: Using plain integer as NULL pointer drivers/isdn/capi/capi.c:1028:19: warning: Using plain integer as NULL pointer drivers/isdn/capi/capi.c:1061:20: warning: Using plain integer as NULL pointer drivers/isdn/capi/capi.c:1529:37: warning: Using plain integer as NULL pointer drivers/isdn/capi/capi.c:1531:33: warning: Using plain integer as NULL pointer drivers/isdn/capi/capidrv.c:338:15: warning: Using plain integer as NULL pointer drivers/isdn/capi/capidrv.c:758:32: warning: Using plain integer as NULL pointer drivers/isdn/capi/capidrv.c:880:40: warning: Using plain integer as NULL pointer drivers/isdn/capi/capidrv.c:407:15: warning: Using plain integer as NULL pointer drivers/isdn/capi/capidrv.c:429:49: warning: Using plain integer as NULL pointer drivers/isdn/capi/capidrv.c:407:15: warning: Using plain integer as NULL pointer drivers/isdn/capi/capidrv.c:444:49: warning: Using plain integer as NULL pointer drivers/isdn/capi/capidrv.c:429:49: warning: Using plain integer as NULL pointer drivers/isdn/capi/capidrv.c:429:49: warning: Using plain integer as NULL pointer drivers/isdn/capi/capidrv.c:429:49: warning: Using plain integer as NULL pointer drivers/isdn/capi/capidrv.c:429:49: warning: Using plain integer as NULL pointer drivers/isdn/capi/capidrv.c:429:49: warning: Using plain integer as NULL pointer drivers/isdn/capi/capidrv.c:1664:61: warning: Using plain integer as NULL pointer drivers/isdn/capi/capidrv.c:1969:37: warning: Using plain integer as NULL pointer drivers/isdn/capi/capidrv.c:2294:37: warning: Using plain integer as NULL pointer drivers/isdn/capi/capidrv.c:2297:33: warning: Using plain integer as NULL pointer drivers/isdn/capi/capidrv.c:2338:37: warning: Using plain integer as NULL pointer drivers/isdn/capi/capidrv.c:2341:33: warning: Using plain integer as NULL pointer drivers/isdn/capi/capifs.c:192:37: warning: Using plain integer as NULL pointer drivers/isdn/capi/capifs.c:194:33: warning: Using plain integer as NULL pointer Signed-off-by: Harvey Harrison Cc: Karsten Keil Cc: Jeff Garzik Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/isdn/capi/capi.c | 34 +++++++++++++++++----------------- drivers/isdn/capi/capidrv.c | 24 ++++++++++++------------ drivers/isdn/capi/capifs.c | 4 ++-- drivers/isdn/capi/capilib.c | 2 +- drivers/isdn/capi/capiutil.c | 2 +- drivers/isdn/capi/kcapi.c | 10 +++++----- 6 files changed, 38 insertions(+), 38 deletions(-) diff --git a/drivers/isdn/capi/capi.c b/drivers/isdn/capi/capi.c index 23ae66c76d4..24c6b7ca62b 100644 --- a/drivers/isdn/capi/capi.c +++ b/drivers/isdn/capi/capi.c @@ -350,7 +350,7 @@ static void capincci_free(struct capidev *cdev, u32 ncci) if (ncci == 0xffffffff || np->ncci == ncci) { *pp = (*pp)->next; #ifdef CONFIG_ISDN_CAPI_MIDDLEWARE - if ((mp = np->minorp) != 0) { + if ((mp = np->minorp) != NULL) { #if defined(CONFIG_ISDN_CAPI_CAPIFS) || defined(CONFIG_ISDN_CAPI_CAPIFS_MODULE) capifs_free_ncci(mp->minor); #endif @@ -366,7 +366,7 @@ static void capincci_free(struct capidev *cdev, u32 ncci) } #endif /* CONFIG_ISDN_CAPI_MIDDLEWARE */ kfree(np); - if (*pp == 0) return; + if (*pp == NULL) return; } else { pp = &(*pp)->next; } @@ -483,7 +483,7 @@ static int handle_recv_skb(struct capiminor *mp, struct sk_buff *skb) #endif goto bad; } - if ((nskb = gen_data_b3_resp_for(mp, skb)) == 0) { + if ((nskb = gen_data_b3_resp_for(mp, skb)) == NULL) { printk(KERN_ERR "capi: gen_data_b3_resp failed\n"); goto bad; } @@ -512,7 +512,7 @@ bad: static void handle_minor_recv(struct capiminor *mp) { struct sk_buff *skb; - while ((skb = skb_dequeue(&mp->inqueue)) != 0) { + while ((skb = skb_dequeue(&mp->inqueue)) != NULL) { unsigned int len = skb->len; mp->inbytes -= len; if (handle_recv_skb(mp, skb) < 0) { @@ -538,7 +538,7 @@ static int handle_minor_send(struct capiminor *mp) return 0; } - while ((skb = skb_dequeue(&mp->outqueue)) != 0) { + while ((skb = skb_dequeue(&mp->outqueue)) != NULL) { datahandle = mp->datahandle; len = (u16)skb->len; skb_push(skb, CAPI_DATA_B3_REQ_LEN); @@ -689,19 +689,19 @@ capi_read(struct file *file, char __user *buf, size_t count, loff_t *ppos) if (!cdev->ap.applid) return -ENODEV; - if ((skb = skb_dequeue(&cdev->recvqueue)) == 0) { + if ((skb = skb_dequeue(&cdev->recvqueue)) == NULL) { if (file->f_flags & O_NONBLOCK) return -EAGAIN; for (;;) { interruptible_sleep_on(&cdev->recvwait); - if ((skb = skb_dequeue(&cdev->recvqueue)) != 0) + if ((skb = skb_dequeue(&cdev->recvqueue)) != NULL) break; if (signal_pending(current)) break; } - if (skb == 0) + if (skb == NULL) return -ERESTARTNOHAND; } if (skb->len > count) { @@ -940,12 +940,12 @@ capi_ioctl(struct inode *inode, struct file *file, return -EFAULT; mutex_lock(&cdev->ncci_list_mtx); - if ((nccip = capincci_find(cdev, (u32) ncci)) == 0) { + if ((nccip = capincci_find(cdev, (u32) ncci)) == NULL) { mutex_unlock(&cdev->ncci_list_mtx); return 0; } #ifdef CONFIG_ISDN_CAPI_MIDDLEWARE - if ((mp = nccip->minorp) != 0) { + if ((mp = nccip->minorp) != NULL) { count += atomic_read(&mp->ttyopencount); } #endif /* CONFIG_ISDN_CAPI_MIDDLEWARE */ @@ -966,7 +966,7 @@ capi_ioctl(struct inode *inode, struct file *file, return -EFAULT; mutex_lock(&cdev->ncci_list_mtx); nccip = capincci_find(cdev, (u32) ncci); - if (!nccip || (mp = nccip->minorp) == 0) { + if (!nccip || (mp = nccip->minorp) == NULL) { mutex_unlock(&cdev->ncci_list_mtx); return -ESRCH; } @@ -986,7 +986,7 @@ capi_open(struct inode *inode, struct file *file) if (file->private_data) return -EEXIST; - if ((file->private_data = capidev_alloc()) == 0) + if ((file->private_data = capidev_alloc()) == NULL) return -ENOMEM; return nonseekable_open(inode, file); @@ -1023,9 +1023,9 @@ static int capinc_tty_open(struct tty_struct * tty, struct file * file) struct capiminor *mp; unsigned long flags; - if ((mp = capiminor_find(iminor(file->f_path.dentry->d_inode))) == 0) + if ((mp = capiminor_find(iminor(file->f_path.dentry->d_inode))) == NULL) return -ENXIO; - if (mp->nccip == 0) + if (mp->nccip == NULL) return -ENXIO; tty->driver_data = (void *)mp; @@ -1058,7 +1058,7 @@ static void capinc_tty_close(struct tty_struct * tty, struct file * file) #ifdef _DEBUG_REFCOUNT printk(KERN_DEBUG "capinc_tty_close ocount=%d\n", atomic_read(&mp->ttyopencount)); #endif - if (mp->nccip == 0) + if (mp->nccip == NULL) capiminor_free(mp); } @@ -1526,9 +1526,9 @@ static int __init capi_init(void) char *compileinfo; int major_ret; - if ((p = strchr(revision, ':')) != 0 && p[1]) { + if ((p = strchr(revision, ':')) != NULL && p[1]) { strlcpy(rev, p + 2, sizeof(rev)); - if ((p = strchr(rev, '$')) != 0 && p > rev) + if ((p = strchr(rev, '$')) != NULL && p > rev) *(p-1) = 0; } else strcpy(rev, "1.0"); diff --git a/drivers/isdn/capi/capidrv.c b/drivers/isdn/capi/capidrv.c index cb42b690b45..2e602dd07ff 100644 --- a/drivers/isdn/capi/capidrv.c +++ b/drivers/isdn/capi/capidrv.c @@ -335,7 +335,7 @@ static capidrv_plci *new_plci(capidrv_contr * card, int chan) plcip = kzalloc(sizeof(capidrv_plci), GFP_ATOMIC); - if (plcip == 0) + if (plcip == NULL) return NULL; plcip->state = ST_PLCI_NONE; @@ -404,7 +404,7 @@ static inline capidrv_ncci *new_ncci(capidrv_contr * card, nccip = kzalloc(sizeof(capidrv_ncci), GFP_ATOMIC); - if (nccip == 0) + if (nccip == NULL) return NULL; nccip->ncci = ncci; @@ -426,7 +426,7 @@ static inline capidrv_ncci *find_ncci(capidrv_contr * card, u32 ncci) capidrv_plci *plcip; capidrv_ncci *p; - if ((plcip = find_plci_by_ncci(card, ncci)) == 0) + if ((plcip = find_plci_by_ncci(card, ncci)) == NULL) return NULL; for (p = plcip->ncci_list; p; p = p->next) @@ -441,7 +441,7 @@ static inline capidrv_ncci *find_ncci_by_msgid(capidrv_contr * card, capidrv_plci *plcip; capidrv_ncci *p; - if ((plcip = find_plci_by_ncci(card, ncci)) == 0) + if ((plcip = find_plci_by_ncci(card, ncci)) == NULL) return NULL; for (p = plcip->ncci_list; p; p = p->next) @@ -755,7 +755,7 @@ static inline int new_bchan(capidrv_contr * card) { int i; for (i = 0; i < card->nbchan; i++) { - if (card->bchans[i].plcip == 0) { + if (card->bchans[i].plcip == NULL) { card->bchans[i].disconnecting = 0; return i; } @@ -877,7 +877,7 @@ static void handle_incoming_call(capidrv_contr * card, _cmsg * cmsg) return; } bchan = &card->bchans[chan]; - if ((plcip = new_plci(card, chan)) == 0) { + if ((plcip = new_plci(card, chan)) == NULL) { printk(KERN_ERR "capidrv-%d: incoming call: no memory, sorry.\n", card->contrnr); return; } @@ -1661,7 +1661,7 @@ static int capidrv_command(isdn_ctrl * c, capidrv_contr * card) NULL, /* Useruserdata */ NULL /* Facilitydataarray */ ); - if ((plcip = new_plci(card, (c->arg % card->nbchan))) == 0) { + if ((plcip = new_plci(card, (c->arg % card->nbchan))) == NULL) { cmd.command = ISDN_STAT_DHUP; cmd.driver = card->myid; cmd.arg = (c->arg % card->nbchan); @@ -1966,7 +1966,7 @@ static void enable_dchannel_trace(capidrv_contr *card) card->name, errcode); return; } - if (strstr(manufacturer, "AVM") == 0) { + if (strstr(manufacturer, "AVM") == NULL) { printk(KERN_ERR "%s: not from AVM, no d-channel trace possible (%s)\n", card->name, manufacturer); return; @@ -2291,10 +2291,10 @@ static int __init capidrv_init(void) u32 ncontr, contr; u16 errcode; - if ((p = strchr(revision, ':')) != 0 && p[1]) { + if ((p = strchr(revision, ':')) != NULL && p[1]) { strncpy(rev, p + 2, sizeof(rev)); rev[sizeof(rev)-1] = 0; - if ((p = strchr(rev, '$')) != 0 && p > rev) + if ((p = strchr(rev, '$')) != NULL && p > rev) *(p-1) = 0; } else strcpy(rev, "1.0"); @@ -2335,10 +2335,10 @@ static void __exit capidrv_exit(void) char rev[32]; char *p; - if ((p = strchr(revision, ':')) != 0) { + if ((p = strchr(revision, ':')) != NULL) { strncpy(rev, p + 1, sizeof(rev)); rev[sizeof(rev)-1] = 0; - if ((p = strchr(rev, '$')) != 0) + if ((p = strchr(rev, '$')) != NULL) *p = 0; } else { strcpy(rev, " ??? "); diff --git a/drivers/isdn/capi/capifs.c b/drivers/isdn/capi/capifs.c index 6d7c47ec036..eafe0e9daa7 100644 --- a/drivers/isdn/capi/capifs.c +++ b/drivers/isdn/capi/capifs.c @@ -189,9 +189,9 @@ static int __init capifs_init(void) char *p; int err; - if ((p = strchr(revision, ':')) != 0 && p[1]) { + if ((p = strchr(revision, ':')) != NULL && p[1]) { strlcpy(rev, p + 2, sizeof(rev)); - if ((p = strchr(rev, '$')) != 0 && p > rev) + if ((p = strchr(rev, '$')) != NULL && p > rev) *(p-1) = 0; } else strcpy(rev, "1.0"); diff --git a/drivers/isdn/capi/capilib.c b/drivers/isdn/capi/capilib.c index 68409d971e7..34d8be2761c 100644 --- a/drivers/isdn/capi/capilib.c +++ b/drivers/isdn/capi/capilib.c @@ -44,7 +44,7 @@ static inline void mq_init(struct capilib_ncci * np) static inline int mq_enqueue(struct capilib_ncci * np, u16 msgid) { struct capilib_msgidqueue *mq; - if ((mq = np->msgidfree) == 0) + if ((mq = np->msgidfree) == NULL) return 0; np->msgidfree = mq->next; mq->msgid = msgid; diff --git a/drivers/isdn/capi/capiutil.c b/drivers/isdn/capi/capiutil.c index 22379b94e88..ebef4ce1b00 100644 --- a/drivers/isdn/capi/capiutil.c +++ b/drivers/isdn/capi/capiutil.c @@ -450,7 +450,7 @@ static void pars_2_message(_cmsg * cmsg) cmsg->l += 4; break; case _CSTRUCT: - if (*(u8 **) OFF == 0) { + if (*(u8 **) OFF == NULL) { *(cmsg->m + cmsg->l) = '\0'; cmsg->l++; } else if (**(_cstruct *) OFF != 0xff) { diff --git a/drivers/isdn/capi/kcapi.c b/drivers/isdn/capi/kcapi.c index f5553186931..ef6de217b9f 100644 --- a/drivers/isdn/capi/kcapi.c +++ b/drivers/isdn/capi/kcapi.c @@ -826,7 +826,7 @@ static int old_capi_manufacturer(unsigned int cmd, void __user *data) card = capi_ctr_get(card); if (!card) return -ESRCH; - if (card->load_firmware == 0) { + if (card->load_firmware == NULL) { printk(KERN_DEBUG "kcapi: load: no load function\n"); return -ESRCH; } @@ -835,7 +835,7 @@ static int old_capi_manufacturer(unsigned int cmd, void __user *data) printk(KERN_DEBUG "kcapi: load: invalid parameter: length of t4file is %d ?\n", ldef.t4file.len); return -EINVAL; } - if (ldef.t4file.data == 0) { + if (ldef.t4file.data == NULL) { printk(KERN_DEBUG "kcapi: load: invalid parameter: dataptr is 0\n"); return -EINVAL; } @@ -951,7 +951,7 @@ int capi20_manufacturer(unsigned int cmd, void __user *data) if (strcmp(driver->name, cdef.driver) == 0) break; } - if (driver == 0) { + if (driver == NULL) { printk(KERN_ERR "kcapi: driver \"%s\" not loaded.\n", cdef.driver); return -ESRCH; @@ -1004,9 +1004,9 @@ static int __init kcapi_init(void) return ret; kcapi_proc_init(); - if ((p = strchr(revision, ':')) != 0 && p[1]) { + if ((p = strchr(revision, ':')) != NULL && p[1]) { strlcpy(rev, p + 2, sizeof(rev)); - if ((p = strchr(rev, '$')) != 0 && p > rev) + if ((p = strchr(rev, '$')) != NULL && p > rev) *(p-1) = 0; } else strcpy(rev, "1.0"); -- 2.20.1