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| author | Dan Carpenter <error27@gmail.com> | 2010-03-20 11:24:48 +0000 |
|---|---|---|
| committer | Chris Mason <chris.mason@oracle.com> | 2010-03-30 21:19:09 -0400 |
| commit | 683be16eb6e19a35aca2473668652259ed074094 (patch) | |
| tree | e6ed753b392a576999140ab9758db9c58dc60926 /fs | |
| parent | f3eae7e8a5ed124bbc781e18ea10c21856017322 (diff) | |
| download | lwn-683be16eb6e19a35aca2473668652259ed074094.tar.gz lwn-683be16eb6e19a35aca2473668652259ed074094.zip | |
Btrfs: dereferencing freed memory
The original code dereferenced range on the next line.
Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/btrfs/ioctl.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c index 5c9f8b30608c..874d36e5f167 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)) { |