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Diffstat (limited to 'drivers/media/usb')
-rw-r--r--drivers/media/usb/usbvision/usbvision-video.c16
1 files changed, 8 insertions, 8 deletions
diff --git a/drivers/media/usb/usbvision/usbvision-video.c b/drivers/media/usb/usbvision/usbvision-video.c
index b74fb2dcb6f5..e6807bad9792 100644
--- a/drivers/media/usb/usbvision/usbvision-video.c
+++ b/drivers/media/usb/usbvision/usbvision-video.c
@@ -904,7 +904,7 @@ static ssize_t usbvision_read(struct file *file, char __user *buf,
PDEBUG(DBG_IO, "%s: %ld bytes, noblock=%d", __func__,
(unsigned long)count, noblock);
- if (!USBVISION_IS_OPERATIONAL(usbvision) || (buf == NULL))
+ if (!USBVISION_IS_OPERATIONAL(usbvision) || !buf)
return -EFAULT;
/* This entry point is compatible with the mmap routines
@@ -1234,7 +1234,7 @@ static void usbvision_vdev_init(struct usb_usbvision *usbvision,
{
struct usb_device *usb_dev = usbvision->dev;
- if (usb_dev == NULL) {
+ if (!usb_dev) {
dev_err(&usbvision->dev->dev,
"%s: usbvision->dev is not set\n", __func__);
return;
@@ -1320,7 +1320,7 @@ static struct usb_usbvision *usbvision_alloc(struct usb_device *dev,
struct usb_usbvision *usbvision;
usbvision = kzalloc(sizeof(struct usb_usbvision), GFP_KERNEL);
- if (usbvision == NULL)
+ if (!usbvision)
return NULL;
usbvision->dev = dev;
@@ -1334,7 +1334,7 @@ static struct usb_usbvision *usbvision_alloc(struct usb_device *dev,
/* prepare control urb for control messages during interrupts */
usbvision->ctrl_urb = usb_alloc_urb(USBVISION_URB_FRAMES, GFP_KERNEL);
- if (usbvision->ctrl_urb == NULL)
+ if (!usbvision->ctrl_urb)
goto err_unreg;
return usbvision;
@@ -1380,7 +1380,7 @@ static void usbvision_configure_video(struct usb_usbvision *usbvision)
{
int model;
- if (usbvision == NULL)
+ if (!usbvision)
return;
model = usbvision->dev_model;
@@ -1474,7 +1474,7 @@ static int usbvision_probe(struct usb_interface *intf,
}
usbvision = usbvision_alloc(dev, intf);
- if (usbvision == NULL) {
+ if (!usbvision) {
dev_err(&intf->dev, "%s: couldn't allocate USBVision struct\n", __func__);
ret = -ENOMEM;
goto err_usb;
@@ -1494,7 +1494,7 @@ static int usbvision_probe(struct usb_interface *intf,
usbvision->num_alt = uif->num_altsetting;
PDEBUG(DBG_PROBE, "Alternate settings: %i", usbvision->num_alt);
usbvision->alt_max_pkt_size = kmalloc(32 * usbvision->num_alt, GFP_KERNEL);
- if (usbvision->alt_max_pkt_size == NULL) {
+ if (!usbvision->alt_max_pkt_size) {
ret = -ENOMEM;
goto err_pkt;
}
@@ -1565,7 +1565,7 @@ static void usbvision_disconnect(struct usb_interface *intf)
PDEBUG(DBG_PROBE, "");
- if (usbvision == NULL) {
+ if (!usbvision) {
pr_err("%s: usb_get_intfdata() failed\n", __func__);
return;
}
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