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authorIngo Molnar <mingo@kernel.org>2017-11-10 08:21:08 +0100
committerIngo Molnar <mingo@kernel.org>2017-11-10 08:21:08 +0100
commitb5cd3b51e247473e290be5cd09e77171e466cd89 (patch)
treeac8c87e1b38f61a4c879c574dc9373db41f3df01 /security/keys/permission.c
parentx86/platform/UV: Convert timers to use timer_setup() (diff)
parentMerge branch 'akpm' (patches from Andrew) (diff)
downloadlinux-b5cd3b51e247473e290be5cd09e77171e466cd89.tar.gz
linux-b5cd3b51e247473e290be5cd09e77171e466cd89.zip
Merge branch 'linus' into x86/platform, to refresh the branch
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'security/keys/permission.c')
-rw-r--r--security/keys/permission.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/security/keys/permission.c b/security/keys/permission.c
index 732cc0beffdf..a72b4dd70c8a 100644
--- a/security/keys/permission.c
+++ b/security/keys/permission.c
@@ -88,7 +88,8 @@ EXPORT_SYMBOL(key_task_permission);
*/
int key_validate(const struct key *key)
{
- unsigned long flags = key->flags;
+ unsigned long flags = READ_ONCE(key->flags);
+ time_t expiry = READ_ONCE(key->expiry);
if (flags & (1 << KEY_FLAG_INVALIDATED))
return -ENOKEY;
@@ -99,9 +100,9 @@ int key_validate(const struct key *key)
return -EKEYREVOKED;
/* check it hasn't expired */
- if (key->expiry) {
+ if (expiry) {
struct timespec now = current_kernel_time();
- if (now.tv_sec >= key->expiry)
+ if (now.tv_sec >= expiry)
return -EKEYEXPIRED;
}