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| author | Nadia Derbey <Nadia.Derbey@bull.net> | 2007-10-18 23:40:53 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-10-19 11:53:47 -0700 |
| commit | f4566f04854d78acfc74b9acb029744acde9d033 (patch) | |
| tree | 6fa631076d11511e2d9685b23c195835c31f4900 /ipc/sem.c | |
| parent | 28028313134e9f11e49f74a4beaa47c91e5ebf06 (diff) | |
| download | lwn-f4566f04854d78acfc74b9acb029744acde9d033.tar.gz lwn-f4566f04854d78acfc74b9acb029744acde9d033.zip | |
ipc: fix wrong comments
This patch fixes the wrong / obsolete comments in the ipc code. Also adds
a missing lock around ipc_get_maxid() in shm_get_stat().
Signed-off-by: Nadia Derbey <Nadia.Derbey@bull.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'ipc/sem.c')
| -rw-r--r-- | ipc/sem.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/ipc/sem.c b/ipc/sem.c index 446c8f518045..45c7e573c201 100644 --- a/ipc/sem.c +++ b/ipc/sem.c @@ -228,6 +228,14 @@ static inline void sem_rmid(struct ipc_namespace *ns, struct sem_array *s) */ #define IN_WAKEUP 1 +/** + * newary - Create a new semaphore set + * @ns: namespace + * @params: ptr to the structure that contains key, semflg and nsems + * + * Called with sem_ids.mutex held + */ + static int newary(struct ipc_namespace *ns, struct ipc_params *params) { int id; @@ -281,6 +289,9 @@ static int newary(struct ipc_namespace *ns, struct ipc_params *params) } +/* + * Called with sem_ids.mutex and ipcp locked. + */ static inline int sem_security(struct kern_ipc_perm *ipcp, int semflg) { struct sem_array *sma; @@ -289,6 +300,9 @@ static inline int sem_security(struct kern_ipc_perm *ipcp, int semflg) return security_sem_associate(sma, semflg); } +/* + * Called with sem_ids.mutex and ipcp locked. + */ static inline int sem_more_checks(struct kern_ipc_perm *ipcp, struct ipc_params *params) { |