From 9bea3f29fc626e190f012c4ad5f8a9e9a2f26cf6 Mon Sep 17 00:00:00 2001
From: Florin Malita <fmalita@gmail.com>
Date: Wed, 23 May 2007 13:57:45 -0700
Subject: [PATCH] spi: potential memleak in spidev_ioctl

'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>
---
 drivers/spi/spidev.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/spi/spidev.c b/drivers/spi/spidev.c
index bcfef04f547e..d04242aee40d 100644
--- a/drivers/spi/spidev.c
+++ b/drivers/spi/spidev.c
@@ -364,6 +364,7 @@ spidev_ioctl(struct inode *inode, struct file *filp,
 			break;
 		}
 		if (__copy_from_user(ioc, (void __user *)arg, tmp)) {
+			kfree(ioc);
 			retval = -EFAULT;
 			break;
 		}