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btrfs: add missing mutex_unlock in btrfs_relocate_sys_chunks()
commit9af503d912
upstream. The previous patch that replaced BUG_ON by error handling forgot to unlock the mutex in the error path. Link: https://lore.kernel.org/all/Zh%2fHpAGFqa7YAFuM@duo.ucw.cz Reported-by: Pavel Machek <pavel@denx.de> Fixes:7411055db5
("btrfs: handle chunk tree lookup error in btrfs_relocate_sys_chunks()") CC: stable@vger.kernel.org Reviewed-by: Pavel Machek <pavel@denx.de> Signed-off-by: Dominique Martinet <dominique.martinet@atmark-techno.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -3368,6 +3368,7 @@ static int btrfs_relocate_sys_chunks(struct btrfs_fs_info *fs_info)
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* alignment and size).
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*/
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ret = -EUCLEAN;
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mutex_unlock(&fs_info->reclaim_bgs_lock);
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goto error;
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}
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