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| author | Jeff Layton <jlayton@primarydata.com> | 2014-07-15 20:59:36 +0400 |
|---|---|---|
| committer | J. Bruce Fields <bfields@redhat.com> | 2014-07-18 00:15:35 +0400 |
| commit | ae4b884fc6316b3190be19448cea24b020c1cad6 (patch) | |
| tree | 8a90906fdc26381ae1283e53399492391c23b03d /include/linux/cred.h | |
| parent | b0fc29d6fcd0310a8437123fe6f30b1ae60a62f9 (diff) | |
| download | linux-ae4b884fc6316b3190be19448cea24b020c1cad6.tar.xz | |
nfsd: silence sparse warning about accessing credentials
sparse says:
fs/nfsd/auth.c:31:38: warning: incorrect type in argument 1 (different address spaces)
fs/nfsd/auth.c:31:38: expected struct cred const *cred
fs/nfsd/auth.c:31:38: got struct cred const [noderef] <asn:4>*real_cred
Add a new accessor for the ->real_cred and use that to fetch the
pointer. Accessing current->real_cred directly is actually quite safe
since we know that they can't go away so this is mostly a cosmetic fixup
to silence sparse.
Signed-off-by: Jeff Layton <jlayton@primarydata.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Diffstat (limited to 'include/linux/cred.h')
| -rw-r--r-- | include/linux/cred.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/include/linux/cred.h b/include/linux/cred.h index f61d6c8f5ef3..b2d0820837c4 100644 --- a/include/linux/cred.h +++ b/include/linux/cred.h @@ -259,6 +259,15 @@ static inline void put_cred(const struct cred *_cred) rcu_dereference_protected(current->cred, 1) /** + * current_real_cred - Access the current task's objective credentials + * + * Access the objective credentials of the current task. RCU-safe, + * since nobody else can modify it. + */ +#define current_real_cred() \ + rcu_dereference_protected(current->real_cred, 1) + +/** * __task_cred - Access a task's objective credentials * @task: The task to query * |