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Storing ipcs into IDRs

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This patch converts casts of struct kern_ipc_perm to
   . struct msg_queue
   . struct sem_array
   . struct shmid_kernel
into the equivalent container_of() macro. It improves code maintenance
because the code need not change if kern_ipc_perm is no longer at the
beginning of the containing struct.

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>
This commit is contained in:
Nadia Derbey
2007-10-18 23:40:51 -07:00
committed by Linus Torvalds
parent 023a53557e
commit 03f02c7657
4 changed files with 46 additions and 18 deletions
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4
ipc/util.h
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@@ -61,8 +61,8 @@ struct ipc_params {
*/
struct ipc_ops {
int (*getnew) (struct ipc_namespace *, struct ipc_params *);
int (*associate) (void *, int);
int (*more_checks) (void *, struct ipc_params *);
int (*associate) (struct kern_ipc_perm *, int);
int (*more_checks) (struct kern_ipc_perm *, struct ipc_params *);
};
struct seq_file;