ovl: don't poison cursor
authorMiklos Szeredi <miklos@szeredi.hu>
Tue, 4 Nov 2014 15:11:03 +0000 (16:11 +0100)
committerAl Viro <viro@zeniv.linux.org.uk>
Wed, 5 Nov 2014 13:49:38 +0000 (08:49 -0500)
commit3f822c6264954660babce757fb45792fd3af273e
treec89c9b7ddf6c1a7628b9c6fd2246574aec9d500f
parenta1cff6e25e6e3b55183610dddca91546951b20e3
ovl: don't poison cursor

ovl_cache_put() can be called from ovl_dir_reset() if the cache needs to be
rebuilt.  We did list_del() on the cursor, which results in an Oops on the
poisoned pointer in ovl_seek_cursor().

Reported-by: Jordi Pujol Palomer <jordipujolp@gmail.com>
Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
Tested-by: Jordi Pujol Palomer <jordipujolp@gmail.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
fs/overlayfs/readdir.c