From b30efe2775ee0a1d911514292579770b214d31c3 Mon Sep 17 00:00:00 2001 From: Stanislav Kinsbursky Date: Fri, 4 Jan 2013 15:35:00 -0800 Subject: 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 Cc: "Eric W. Biederman" Cc: James Morris Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- ipc/msg.c | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-) (limited to 'ipc') diff --git a/ipc/msg.c b/ipc/msg.c index 7a20536..038a7d7 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; -- cgit v1.1