From 683be16eb6e19a35aca2473668652259ed074094 Mon Sep 17 00:00:00 2001 From: Dan Carpenter Date: Sat, 20 Mar 2010 11:24:48 +0000 Subject: Btrfs: dereferencing freed memory The original code dereferenced range on the next line. Signed-off-by: Dan Carpenter Signed-off-by: Chris Mason --- fs/btrfs/ioctl.c | 1 + 1 file changed, 1 insertion(+) (limited to 'fs/btrfs') diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c index 5c9f8b30608..874d36e5f16 100644 --- a/fs/btrfs/ioctl.c +++ b/fs/btrfs/ioctl.c @@ -1374,6 +1374,7 @@ static int btrfs_ioctl_defrag(struct file *file, void __user *argp) sizeof(*range))) { ret = -EFAULT; kfree(range); + goto out; } /* compression requires us to start the IO */ if ((range->flags & BTRFS_DEFRAG_RANGE_COMPRESS)) { -- cgit v1.2.3