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Btrfs: dereferencing freed memory
[firefly-linux-kernel-4.4.55.git]
/
fs
/
btrfs
/
ioctl.c
diff --git
a/fs/btrfs/ioctl.c
b/fs/btrfs/ioctl.c
index 5c9f8b30608c8305e75f4c1a95148a322ead409b..874d36e5f167eb879207fe78b56116f1402868b0 100644
(file)
--- 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)) {