| commit | 603e7497bf275ef3766bb55323a23235dc0f0dfa | [log] [tgz] |
|---|---|---|
| author | Trond Myklebust <trond.myklebust@hammerspace.com> | Wed Jul 17 13:57:44 2019 -0400 |
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | Fri Jul 26 09:14:22 2019 +0200 |
| tree | 09a70b7a18a830e9b314e4f77106c1e2398d7616 | |
| parent | 5347e61954fcf2e47cbe9620aa21e42f4bc94057 [diff] |
pnfs/flexfiles: Fix PTR_ERR() dereferences in ff_layout_track_ds_error
commit 8e04fdfadda75a849c649f7e50fe7d97772e1fcb upstream.
mirror->mirror_ds can be NULL if uninitialised, but can contain
a PTR_ERR() if call to GETDEVICEINFO failed.
Fixes: 65990d1afbd2 ("pNFS/flexfiles: Fix a deadlock on LAYOUTGET")
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Cc: stable@vger.kernel.org # 4.10+
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>