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| author | Takashi Iwai <tiwai@suse.de> | 2017-11-01 19:43:20 +0300 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2017-11-01 19:43:20 +0300 |
| commit | a53a0ab8ff725672fcb47bb9a5ef75fce45679d0 (patch) | |
| tree | 75cdea78f27fdd569d72cea0b7837bbcc8d871f7 /security/keys/encrypted-keys/encrypted.c | |
| parent | 1f20f9ff57ca23b9f5502fca85ce3977e8496cb1 (diff) | |
| parent | b817d936248b9bcee8282e97fb1dda1b03c903fe (diff) | |
| download | linux-a53a0ab8ff725672fcb47bb9a5ef75fce45679d0.tar.xz | |
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 'security/keys/encrypted-keys/encrypted.c')
| -rw-r--r-- | security/keys/encrypted-keys/encrypted.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/security/keys/encrypted-keys/encrypted.c b/security/keys/encrypted-keys/encrypted.c index 69855ba0d3b3..d92cbf9687c3 100644 --- a/security/keys/encrypted-keys/encrypted.c +++ b/security/keys/encrypted-keys/encrypted.c @@ -309,6 +309,13 @@ static struct key *request_user_key(const char *master_desc, const u8 **master_k down_read(&ukey->sem); upayload = user_key_payload_locked(ukey); + if (!upayload) { + /* key was revoked before we acquired its semaphore */ + up_read(&ukey->sem); + key_put(ukey); + ukey = ERR_PTR(-EKEYREVOKED); + goto error; + } *master_key = upayload->data; *master_keylen = upayload->datalen; error: @@ -847,7 +854,7 @@ static int encrypted_update(struct key *key, struct key_preparsed_payload *prep) size_t datalen = prep->datalen; int ret = 0; - if (test_bit(KEY_FLAG_NEGATIVE, &key->flags)) + if (key_is_negative(key)) return -ENOKEY; if (datalen <= 0 || datalen > 32767 || !prep->data) return -EINVAL; |