ext4: Return exchanged blocks count to user space in failure From: Akira Fujita <a-fujita@xxxxxxxxxxxxx> Return exchanged blocks count (moved_len) to user space, if ext4_move_extents() failed on the way. Signed-off-by: Akira Fujita <a-fujita@xxxxxxxxxxxxx> --- fs/ext4/ioctl.c | 7 +++---- 1 files changed, 3 insertions(+), 4 deletions(-) diff --git a/fs/ext4/ioctl.c b/fs/ext4/ioctl.c index b0b434b..efd11c8 100644 --- a/fs/ext4/ioctl.c +++ b/fs/ext4/ioctl.c @@ -255,10 +255,9 @@ setversion_out: me.donor_start, me.len, &me.moved_len); fput(donor_filp); - if (!err) - if (copy_to_user((struct move_extent *)arg, - &me, sizeof(me))) - return -EFAULT; + if (copy_to_user((struct move_extent *)arg, &me, sizeof(me))) + return -EFAULT; + return err; } -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
