various: fix pci_set_dma_mask return value checking

pci_set_dma_mask returns a negative errno value, not a bool like
pci_dma_supported.  This of course was just a giant test for attention :)

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reported-by: Jongman Heo <jongman.heo@samsung.com>
Tested-by: Jongman Heo <jongman.heo@samsung.com>	[pcnet32]
Acked-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Cc: Hans Verkuil <hverkuil@xs4all.nl>
Cc: Antti Palosaari <crope@iki.fi>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/drivers/media/pci/cx23885/cx23885-core.c b/drivers/media/pci/cx23885/cx23885-core.c
index 35759a91d47dce2eaede0d0491910aeb0180cab7..e8f847226a199f308394302b1f24dacf186b6226 100644 (file)
--- a/drivers/media/pci/cx23885/cx23885-core.c
+++ b/drivers/media/pci/cx23885/cx23885-core.c
@@ -1992,9 +1992,9 @@ static int cx23885_initdev(struct pci_dev *pci_dev,
                (unsigned long long)pci_resource_start(pci_dev, 0));
 
        pci_set_master(pci_dev);
-       if (!pci_set_dma_mask(pci_dev, 0xffffffff)) {
+       err = pci_set_dma_mask(pci_dev, 0xffffffff);
+       if (err) {
                printk("%s/0: Oops: no 32bit PCI DMA ???\n", dev->name);
-               err = -EIO;
                goto fail_context;
        }
 

diff --git a/drivers/media/pci/cx25821/cx25821-core.c b/drivers/media/pci/cx25821/cx25821-core.c
index dbc695f327607285162a6f6482582f5fe1857ff8..0042803a9de7c4aaa0eabb375eaf58ccb3056f88 100644 (file)
--- a/drivers/media/pci/cx25821/cx25821-core.c
+++ b/drivers/media/pci/cx25821/cx25821-core.c
@@ -1319,7 +1319,8 @@ static int cx25821_initdev(struct pci_dev *pci_dev,
                dev->pci_lat, (unsigned long long)dev->base_io_addr);
 
        pci_set_master(pci_dev);
-       if (!pci_set_dma_mask(pci_dev, 0xffffffff)) {
+       err = pci_set_dma_mask(pci_dev, 0xffffffff);
+       if (err) {
                pr_err("%s/0: Oops: no 32bit PCI DMA ???\n", dev->name);
                err = -EIO;
                goto fail_irq;

diff --git a/drivers/media/pci/cx88/cx88-alsa.c b/drivers/media/pci/cx88/cx88-alsa.c
index 0ed1b65303746d3b5129997dc37dd00cbe784716..1b5268f9bb248f5b0787d16e707c25b84ffbe150 100644 (file)
--- a/drivers/media/pci/cx88/cx88-alsa.c
+++ b/drivers/media/pci/cx88/cx88-alsa.c
@@ -890,9 +890,9 @@ static int snd_cx88_create(struct snd_card *card, struct pci_dev *pci,
                return err;
        }
 
-       if (!pci_set_dma_mask(pci,DMA_BIT_MASK(32))) {
+       err = pci_set_dma_mask(pci,DMA_BIT_MASK(32));
+       if (err) {
                dprintk(0, "%s/1: Oops: no 32bit PCI DMA ???\n",core->name);
-               err = -EIO;
                cx88_core_put(core, pci);
                return err;
        }

diff --git a/drivers/media/pci/cx88/cx88-mpeg.c b/drivers/media/pci/cx88/cx88-mpeg.c
index 9db7767d1fe03eaad3244993d193f1045cb5f92b..f34c229f9b374d3dedd424bb54bc2119b0ee0607 100644 (file)
--- a/drivers/media/pci/cx88/cx88-mpeg.c
+++ b/drivers/media/pci/cx88/cx88-mpeg.c
@@ -393,7 +393,8 @@ static int cx8802_init_common(struct cx8802_dev *dev)
        if (pci_enable_device(dev->pci))
                return -EIO;
        pci_set_master(dev->pci);
-       if (!pci_set_dma_mask(dev->pci,DMA_BIT_MASK(32))) {
+       err = pci_set_dma_mask(dev->pci,DMA_BIT_MASK(32));
+       if (err) {
                printk("%s/2: Oops: no 32bit PCI DMA ???\n",dev->core->name);
                return -EIO;
        }

diff --git a/drivers/media/pci/cx88/cx88-video.c b/drivers/media/pci/cx88/cx88-video.c
index 0de1ad5a977d4d7b629819bb2d0ee0fb54539bb3..aef9acf351f6379017f967538a87d103fc7b7a94 100644 (file)
--- a/drivers/media/pci/cx88/cx88-video.c
+++ b/drivers/media/pci/cx88/cx88-video.c
@@ -1314,9 +1314,9 @@ static int cx8800_initdev(struct pci_dev *pci_dev,
               dev->pci_lat,(unsigned long long)pci_resource_start(pci_dev,0));
 
        pci_set_master(pci_dev);
-       if (!pci_set_dma_mask(pci_dev,DMA_BIT_MASK(32))) {
+       err = pci_set_dma_mask(pci_dev,DMA_BIT_MASK(32));
+       if (err) {
                printk("%s/0: Oops: no 32bit PCI DMA ???\n",core->name);
-               err = -EIO;
                goto fail_core;
        }
        dev->alloc_ctx = vb2_dma_sg_init_ctx(&pci_dev->dev);

diff --git a/drivers/media/pci/netup_unidvb/netup_unidvb_core.c b/drivers/media/pci/netup_unidvb/netup_unidvb_core.c
index 60b2d462f98d0ea92a3738d45919dce57c3c9daf..3fdbd81b558060c1029c6bf621a45d2aa9fd9016 100644 (file)
--- a/drivers/media/pci/netup_unidvb/netup_unidvb_core.c
+++ b/drivers/media/pci/netup_unidvb/netup_unidvb_core.c
@@ -810,7 +810,7 @@ static int netup_unidvb_initdev(struct pci_dev *pci_dev,
                "%s(): board vendor 0x%x, revision 0x%x\n",
                __func__, board_vendor, board_revision);
        pci_set_master(pci_dev);
-       if (!pci_set_dma_mask(pci_dev, 0xffffffff)) {
+       if (pci_set_dma_mask(pci_dev, 0xffffffff) < 0) {
                dev_err(&pci_dev->dev,
                        "%s(): 32bit PCI DMA is not supported\n", __func__);
                goto pci_detect_err;

diff --git a/drivers/media/pci/saa7134/saa7134-core.c b/drivers/media/pci/saa7134/saa7134-core.c
index e79d63eb774e338898584ee33fa8476b0cb5b2cf..f720cea80e28ae553183c16a56d2620dd70ab303 100644 (file)
--- a/drivers/media/pci/saa7134/saa7134-core.c
+++ b/drivers/media/pci/saa7134/saa7134-core.c
@@ -951,9 +951,9 @@ static int saa7134_initdev(struct pci_dev *pci_dev,
               pci_name(pci_dev), dev->pci_rev, pci_dev->irq,
               dev->pci_lat,(unsigned long long)pci_resource_start(pci_dev,0));
        pci_set_master(pci_dev);
-       if (!pci_set_dma_mask(pci_dev, DMA_BIT_MASK(32))) {
+       err = pci_set_dma_mask(pci_dev, DMA_BIT_MASK(32));
+       if (err) {
                pr_warn("%s: Oops: no 32bit PCI DMA ???\n", dev->name);
-               err = -EIO;
                goto fail1;
        }
 

diff --git a/drivers/media/pci/saa7164/saa7164-core.c b/drivers/media/pci/saa7164/saa7164-core.c
index 8f36b48ef7338c13ae265f9d424e05348d389f6f..8bbd092fbe1db70052857584f598c3d0192236f3 100644 (file)
--- a/drivers/media/pci/saa7164/saa7164-core.c
+++ b/drivers/media/pci/saa7164/saa7164-core.c
@@ -1264,9 +1264,9 @@ static int saa7164_initdev(struct pci_dev *pci_dev,
 
        pci_set_master(pci_dev);
        /* TODO */
-       if (!pci_set_dma_mask(pci_dev, 0xffffffff)) {
+       err = pci_set_dma_mask(pci_dev, 0xffffffff);
+       if (err) {
                printk("%s/0: Oops: no 32bit PCI DMA ???\n", dev->name);
-               err = -EIO;
                goto fail_irq;
        }
 

diff --git a/drivers/media/pci/tw68/tw68-core.c b/drivers/media/pci/tw68/tw68-core.c
index 8c5655d351d35c4d1b82ca8f84390c32f31b0306..4e77618fbb2b9aa742de7bdcc218ab1f5feb7f3d 100644 (file)
--- a/drivers/media/pci/tw68/tw68-core.c
+++ b/drivers/media/pci/tw68/tw68-core.c
@@ -257,9 +257,9 @@ static int tw68_initdev(struct pci_dev *pci_dev,
                dev->name, pci_name(pci_dev), dev->pci_rev, pci_dev->irq,
                dev->pci_lat, (u64)pci_resource_start(pci_dev, 0));
        pci_set_master(pci_dev);
-       if (!pci_set_dma_mask(pci_dev, DMA_BIT_MASK(32))) {
+       err = pci_set_dma_mask(pci_dev, DMA_BIT_MASK(32));
+       if (err) {
                pr_info("%s: Oops: no 32bit PCI DMA ???\n", dev->name);
-               err = -EIO;
                goto fail1;
        }
 

diff --git a/drivers/net/ethernet/amd/pcnet32.c b/drivers/net/ethernet/amd/pcnet32.c
index e2afabf3a465860230cbae73d8e37166d30c5394..7ccebae9cb48794cd3977a6fb49844a5bc57e75a 100644 (file)
--- a/drivers/net/ethernet/amd/pcnet32.c
+++ b/drivers/net/ethernet/amd/pcnet32.c
@@ -1500,10 +1500,11 @@ pcnet32_probe_pci(struct pci_dev *pdev, const struct pci_device_id *ent)
                return -ENODEV;
        }
 
-       if (!pci_set_dma_mask(pdev, PCNET32_DMA_MASK)) {
+       err = pci_set_dma_mask(pdev, PCNET32_DMA_MASK);
+       if (err) {
                if (pcnet32_debug & NETIF_MSG_PROBE)
                        pr_err("architecture does not support 32bit PCI busmaster DMA\n");
-               return -ENODEV;
+               return err;
        }
        if (!request_region(ioaddr, PCNET32_TOTAL_SIZE, "pcnet32_probe_pci")) {
                if (pcnet32_debug & NETIF_MSG_PROBE)