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| author | Eric Sesterhenn <snakebyte@gmx.de> | 2006-06-27 00:57:42 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2006-07-12 16:03:23 -0700 |
| commit | 053be305d3a5ae0152991f25c6579127fb48710c (patch) | |
| tree | 236f7e47eff55010f51e2a097b7a409fc81cfd3f /drivers/usb/misc/usblcd.c | |
| parent | c1b45f247a2901de3982f33196d5caf8ca5b9799 (diff) | |
| download | linux-053be305d3a5ae0152991f25c6579127fb48710c.tar.gz linux-053be305d3a5ae0152991f25c6579127fb48710c.tar.bz2 linux-053be305d3a5ae0152991f25c6579127fb48710c.zip | |
[PATCH] USB: fix pointer dereference in drivers/usb/misc/usblcd
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>
Diffstat (limited to 'drivers/usb/misc/usblcd.c')
| -rw-r--r-- | drivers/usb/misc/usblcd.c | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/drivers/usb/misc/usblcd.c b/drivers/usb/misc/usblcd.c index c82c402285a0..e095772dd8e9 100644 --- a/drivers/usb/misc/usblcd.c +++ b/drivers/usb/misc/usblcd.c @@ -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) { |