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[PATCH] USB: fix pointer dereference in drivers/usb/misc/usblcd

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coverity spotted (id #185) that we still use urb, if the allocation
fails in the error path. This patch fixes this by returning directly.

Signed-off-by: Eric Sesterhenn <snakebyte@gmx.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Eric Sesterhenn 2006-06-27 00:57:42 +02:00 committed by Greg Kroah-Hartman
parent c1b45f247a
commit 053be305d3
1 changed files with 2 additions and 4 deletions
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6
drivers/usb/misc/usblcd.c
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@ -200,10 +200,8 @@ static ssize_t lcd_write(struct file *file, const char __user * user_buffer, siz
/* create a urb, and a buffer for it, and copy the data to the urb */
urb = usb_alloc_urb(0, GFP_KERNEL);
if (!urb) {
retval = -ENOMEM;
goto error;
}
if (!urb)
return -ENOMEM;
buf = usb_buffer_alloc(dev->udev, count, GFP_KERNEL, &urb->transfer_dma);
if (!buf) {