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authorAmit Pundir <amit.pundir@linaro.org>2017-11-20 21:48:45 +0530
committerAmit Pundir <amit.pundir@linaro.org>2017-11-20 21:48:45 +0530
commitbaa6b7f93aec81644160ca02a8a6a5ae3be4ce85 (patch)
tree2a6bf027912ae74a354ce3b7d460d04ccfac4e55 /lib/digsig.c
parent7bc703cde6592016ed3eadd8bd592ee9adbe6647 (diff)
parentf409333f361fed0c71c479b2a0c4e032d496cd94 (diff)
Merge branch 'linux-linaro-lsk-v3.18' into linux-linaro-lsk-v3.18-androidlsk-v3.18-18.03-androidlsk-v3.18-18.02-androidlsk-v3.18-17.11-androidlinux-linaro-lsk-v3.18-android
Conflicts: net/packet/af_packet.c Fix conflicts by refactoring changes from LTS commit e4ffdf9ead59 ("packet: hold bind lock when rebinding to fanout hook"), to align with the changes from AOSP commit 6bec212418d2 ("UPSTREAM: packet: fix races in fanout_add()"). Signed-off-by: Amit Pundir <amit.pundir@linaro.org>
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 ae05ea393fc8..4b8ef0bd315b 100644
--- a/lib/digsig.c
+++ b/lib/digsig.c
@@ -86,6 +86,12 @@ static int digsig_verify_rsa(struct key *key,
down_read(&key->sem);
ukp = key->payload.data;
+ if (!ukp) {
+ /* key was revoked before we acquired its semaphore */
+ err = -EKEYREVOKED;
+ goto err1;
+ }
+
if (ukp->datalen < sizeof(*pkh))
goto err1;