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path: root/drivers/usb/class/usblp.c
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Diffstat (limited to 'drivers/usb/class/usblp.c')
-rw-r--r--drivers/usb/class/usblp.c15
1 files changed, 10 insertions, 5 deletions
diff --git a/drivers/usb/class/usblp.c b/drivers/usb/class/usblp.c
index 0924ee40a966..f38e875a3fb1 100644
--- a/drivers/usb/class/usblp.c
+++ b/drivers/usb/class/usblp.c
@@ -660,7 +660,8 @@ static long usblp_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
switch (cmd) {
case LPGETSTATUS:
- if ((retval = usblp_read_status(usblp, usblp->statusbuf))) {
+ retval = usblp_read_status(usblp, usblp->statusbuf);
+ if (retval) {
printk_ratelimited(KERN_ERR "usblp%d:"
"failed reading printer status (%d)\n",
usblp->minor, retval);
@@ -693,9 +694,11 @@ static struct urb *usblp_new_writeurb(struct usblp *usblp, int transfer_length)
struct urb *urb;
char *writebuf;
- if ((writebuf = kmalloc(transfer_length, GFP_KERNEL)) == NULL)
+ writebuf = kmalloc(transfer_length, GFP_KERNEL);
+ if (writebuf == NULL)
return NULL;
- if ((urb = usb_alloc_urb(0, GFP_KERNEL)) == NULL) {
+ urb = usb_alloc_urb(0, GFP_KERNEL);
+ if (urb == NULL) {
kfree(writebuf);
return NULL;
}
@@ -732,7 +735,8 @@ static ssize_t usblp_write(struct file *file, const char __user *buffer, size_t
transfer_length = USBLP_BUF_SIZE;
rv = -ENOMEM;
- if ((writeurb = usblp_new_writeurb(usblp, transfer_length)) == NULL)
+ writeurb = usblp_new_writeurb(usblp, transfer_length);
+ if (writeurb == NULL)
goto raise_urb;
usb_anchor_urb(writeurb, &usblp->urbs);
@@ -980,7 +984,8 @@ static int usblp_submit_read(struct usblp *usblp)
int rc;
rc = -ENOMEM;
- if ((urb = usb_alloc_urb(0, GFP_KERNEL)) == NULL)
+ urb = usb_alloc_urb(0, GFP_KERNEL);
+ if (urb == NULL)
goto raise_urb;
usb_fill_bulk_urb(urb, usblp->dev,