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(parent: dd4c932) | patch
btrfs: hold a ref on the root in btrfs_ioctl_get_subvol_info
authorJosef Bacik <josef@toxicpanda.com>
Fri, 24 Jan 2020 14:32:36 +0000 (09:32 -0500)
committerDavid Sterba <dsterba@suse.com>
Mon, 23 Mar 2020 16:01:28 +0000 (17:01 +0100)
commit6d7b0c0a2982dd8cc55f9390186c8950feacbee8
tree9c495719601c8de74c4bccfd21d1d1859b5de16atree | snapshot
parentdd4c9322321ee37a6c74a085011fd0d4fae963c4commit | diff
btrfs: hold a ref on the root in btrfs_ioctl_get_subvol_info

We look up whatever root userspace has given us, we need to hold a ref
throughout this operation. Use 'root' only for the on fs root and not as
a temporary variable elsewhere.

Signed-off-by: Josef Bacik <josef@toxicpanda.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
fs/btrfs/ioctl.c diff | blob | history
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