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authorOtavio Salvador <otavio@ossystems.com.br>2019-12-19 00:14:33 -0300
committerGitHub <noreply@github.com>2019-12-19 00:14:33 -0300
commitfa8a03bec68d9ef89da72277bd3501ed3daa6217 (patch)
tree3d3218332bcb34cb0afa01d6ad996058a3dbcb77 /include/linux/cred.h
parent6b774eec1f9d3064e9b33634dfa99d5666d0a73a (diff)
parent1ddf624b0b268fdc0b80b1de618b98f8d117afea (diff)
Merge pull request #55 from toradex/4.14-2.0.x-imx
4.14 2.0.x imx
Diffstat (limited to 'include/linux/cred.h')
-rw-r--r--include/linux/cred.h7
1 files changed, 6 insertions, 1 deletions
diff --git a/include/linux/cred.h b/include/linux/cred.h
index 631286535d0f..2a0d4674294e 100644
--- a/include/linux/cred.h
+++ b/include/linux/cred.h
@@ -145,7 +145,11 @@ struct cred {
struct user_struct *user; /* real user ID subscription */
struct user_namespace *user_ns; /* user_ns the caps and keyrings are relative to. */
struct group_info *group_info; /* supplementary groups for euid/fsgid */
- struct rcu_head rcu; /* RCU deletion hook */
+ /* RCU deletion */
+ union {
+ int non_rcu; /* Can we skip RCU deletion? */
+ struct rcu_head rcu; /* RCU deletion hook */
+ };
} __randomize_layout;
extern void __put_cred(struct cred *);
@@ -243,6 +247,7 @@ static inline const struct cred *get_cred(const struct cred *cred)
{
struct cred *nonconst_cred = (struct cred *) cred;
validate_creds(cred);
+ nonconst_cred->non_rcu = 0;
return get_new_cred(nonconst_cred);
}