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Merge branch 'for-linus' into work.misc

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This commit is contained in:
Al Viro
2016-01-08 21:20:11 -05:00
parent a1c6f05733 a7f61e89af
commit 6108209c4a
77 changed files with 859 additions and 572 deletions
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security/keys/keyctl.c
+9 -9
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@@ -751,16 +751,16 @@ long keyctl_read_key(key_serial_t keyid, char __user *buffer, size_t buflen)
/* the key is probably readable - now try to read it */
can_read_key:
ret = key_validate(key);
if (ret == 0) {
ret = -EOPNOTSUPP;
if (key->type->read) {
/* read the data with the semaphore held (since we
* might sleep) */
down_read(&key->sem);
ret = -EOPNOTSUPP;
if (key->type->read) {
/* Read the data with the semaphore held (since we might sleep)
* to protect against the key being updated or revoked.
*/
down_read(&key->sem);
ret = key_validate(key);
if (ret == 0)
ret = key->type->read(key, buffer, buflen);
up_read(&key->sem);
}
up_read(&key->sem);
}
error2: