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V4L/DVB (6350): V4L: possible leak in em28xx_init_isoc

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Coverity (CID 1929) spotted the following: if a transfer buffer
allocation fails, the last allocated urb is leaked (it hasn't been
stored in dev->urb[] yet so em28xx_uninit_isoc misses it). The patch
also includes a small typo fix.

Signed-off-by: Florin Malita <fmalita@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
This commit is contained in:
Florin Malita 2007-10-15 12:59:18 -03:00 committed by Mauro Carvalho Chehab
parent 2f7362ef9b
commit e7222ca9b4
1 changed files with 2 additions and 1 deletions
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3
drivers/media/video/em28xx/em28xx-core.c
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@ -648,7 +648,7 @@ void em28xx_uninit_isoc(struct em28xx *dev)
*/
int em28xx_init_isoc(struct em28xx *dev)
{
/* change interface to 3 which allowes the biggest packet sizes */
/* change interface to 3 which allows the biggest packet sizes */
int i, errCode;
const int sb_size = EM28XX_NUM_PACKETS * dev->max_pkt_size;
@ -673,6 +673,7 @@ int em28xx_init_isoc(struct em28xx *dev)
("unable to allocate %i bytes for transfer buffer %i\n",
sb_size, i);
em28xx_uninit_isoc(dev);
usb_free_urb(urb);
return -ENOMEM;
}
memset(dev->transfer_buffer[i], 0, sb_size);