From: Ilya Dryomov <idryomov@gmail.com>
Date: Tue, 8 Nov 2011 17:15:05 +0000 (+0200)
Subject: Btrfs: fix subvol_name leak on error in btrfs_mount()
X-Git-Tag: v3.2-rc2~22^2~9^2~3
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f23c8af8ca2789eeb0ab9ea90c214f9694d96cc5;p=pandora-kernel.git

Btrfs: fix subvol_name leak on error in btrfs_mount()

btrfs_parse_early_options() can fail due to error while scanning devices
(-o device= option), but still strdup() subvol_name string:

mount -o subvol=SUBV,device=BAD_DEVICE <dev> <mnt>

So free subvol_name string on error.

Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
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