aboutsummaryrefslogtreecommitdiffstats
path: root/lib/digsig.c
diff options
context:
space:
mode:
authorTakashi Iwai <[email protected]>2017-11-01 16:43:20 +0000
committerTakashi Iwai <[email protected]>2017-11-01 16:43:20 +0000
commita53a0ab8ff725672fcb47bb9a5ef75fce45679d0 (patch)
tree75cdea78f27fdd569d72cea0b7837bbcc8d871f7 /lib/digsig.c
parentALSA: seq: Fix nested rwsem annotation for lockdep splat (diff)
parentMerge remote-tracking branches 'asoc/fix/topology', 'asoc/fix/adau17x1', 'aso... (diff)
downloadkernel-a53a0ab8ff725672fcb47bb9a5ef75fce45679d0.tar.gz
kernel-a53a0ab8ff725672fcb47bb9a5ef75fce45679d0.zip
Merge tag 'asoc-fix-v4.14-rc7' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: Fixes for v4.14 A bunch of fixes here, mostly device specific ones (the biggest one being the revert of the hotword support for rt5514), with a couple of core fixes for potential issues with corrupted or otherwise invalid topology files.
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+ /* key was revoked before we acquired its semaphore */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;