btrfs: Handle error from btrfs_uuid_tree_rem call in _btrfs_ioctl_set_received_subvol

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commit d87ff75863 upstream.

As with every function which deals with modifying the btree
btrfs_uuid_tree_rem can fail for any number of reasons (ie. EIO/ENOMEM).
Handle return error value from this function gracefully by aborting the
transaction.

Fixes: dd5f9615fc ("Btrfs: maintain subvolume items in the UUID tree")
Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
[bwh: Backported to 3.16:
 - btrfs_{abort,end}_transaction() take a pointer to btrfs_root
 - Adjust context]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>

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Nikolay Borisov 2018-03-12 14:48:09 +02:00 • committed by Ben Hutchings

parent 98983aec6b

commit 044bfc32eb

1 changed files with 11 additions and 5 deletions

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fs/btrfs/ioctl.c

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