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| author | Stanislav Kinsbursky <skinsbursky@parallels.com> | 2013-01-04 15:35:00 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-01-04 16:11:46 -0800 |
| commit | b30efe2775ee0a1d911514292579770b214d31c3 (patch) | |
| tree | d1059fdc2cd3eb2c44a0b4b2b641a63755db850c /ipc/msg.c | |
| parent | 85398aa8de1d68f44ff1b5d0ed9ceb2b0c51ce49 (diff) | |
| download | lwn-b30efe2775ee0a1d911514292579770b214d31c3.tar.gz lwn-b30efe2775ee0a1d911514292579770b214d31c3.zip | |
ipc: convert prepare_copy() from macro to function
This code works if CONFIG_CHECKPOINT_RESTORE is disabled.
[akpm@linux-foundation.org: remove __maybe_unused]
Signed-off-by: Stanislav Kinsbursky <skinsbursky@parallels.com>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: James Morris <jmorris@namei.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'ipc/msg.c')
| -rw-r--r-- | ipc/msg.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/ipc/msg.c b/ipc/msg.c index 7a20536c3a50..038a7d79eb0e 100644 --- a/ipc/msg.c +++ b/ipc/msg.c @@ -803,8 +803,15 @@ static inline void free_copy(struct msg_msg *copy) free_msg(copy); } #else -#define prepare_copy(buf, sz, msgflg, msgtyp, copy_nr) ERR_PTR(-ENOSYS) #define fill_copy(copy_nr, msg_nr, msg, copy) NULL + +static inline struct msg_msg *prepare_copy(void __user *buf, size_t bufsz, + int msgflg, long *msgtyp, + unsigned long *copy_number) +{ + return ERR_PTR(-ENOSYS); +} + static inline void free_copy(struct msg_msg *copy) { } @@ -819,7 +826,7 @@ long do_msgrcv(int msqid, void __user *buf, size_t bufsz, long msgtyp, int mode; struct ipc_namespace *ns; struct msg_msg *copy = NULL; - unsigned long __maybe_unused copy_number; + unsigned long copy_number = 0; if (msqid < 0 || (long) bufsz < 0) return -EINVAL; |