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spi: potential memleak in spidev_ioctl

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'ioc' should be deallocated if __copy_from_user fails (found by Coverity
- CID 1644).

Signed-off-by: Florin Malita <fmalita@gmail.com>
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Florin Malita 2007-05-23 13:57:45 -07:00 committed by Linus Torvalds
parent 6087b2dab2
commit 9bea3f29fc
1 changed files with 1 additions and 0 deletions
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drivers/spi/spidev.c
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@ -364,6 +364,7 @@ spidev_ioctl(struct inode *inode, struct file *filp,
break; break;
} }
if (__copy_from_user(ioc, (void __user *)arg, tmp)) { if (__copy_from_user(ioc, (void __user *)arg, tmp)) {
kfree(ioc);
retval = -EFAULT; retval = -EFAULT;
break; break;
} }