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authorRodrigo Vivi <rodrigo.vivi@intel.com>2017-11-14 07:43:00 -0800
committerRodrigo Vivi <rodrigo.vivi@intel.com>2017-11-14 07:43:00 -0800
commit176d5325d1a7d088e96cfef898fa7d3a622a6903 (patch)
treef12c24b72202e032114aef576f53deac9f595646 /lib/digsig.c
parent70a84f3c6075031dbf004a1610ca2471f4c528aa (diff)
parentf150891fd9878ef0d9197c4e8451ce67c3bdd014 (diff)
Merge airlied/drm-next into drm-intel-next-queued
Catchup with upstream. Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Diffstat (limited to 'lib/digsig.c')
-rw-r--r--lib/digsig.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/lib/digsig.c b/lib/digsig.c
index 03d7c63837ae..6ba6fcd92dd1 100644
--- a/lib/digsig.c
+++ b/lib/digsig.c
@@ -87,6 +87,12 @@ static int digsig_verify_rsa(struct key *key,
down_read(&key->sem);
ukp = user_key_payload_locked(key);
+ if (!ukp) {
+ /* key was revoked before we acquired its semaphore */
+ err = -EKEYREVOKED;
+ goto err1;
+ }
+
if (ukp->datalen < sizeof(*pkh))
goto err1;