ia64: Add message-queue support to copy_siginfo_from_user().

arch/ia64/ia32/ia32_signal.c

@@ -169,7 +169,12 @@ copy_siginfo_to_user32 (siginfo_t32 *to, siginfo_t *from)
 			addr = (unsigned long) from->si_ptr;
 			err |= __put_user(addr, &to->si_ptr);
 			break;
-		/* case __SI_RT: This is not generated by the kernel as of now.  */
+		case __SI_RT >> 16:	/* Not generated by the kernel as of now.  */
+		case __SI_MESGQ >> 16:
+			err |= __put_user(from->si_uid, &to->si_uid);
+			err |= __put_user(from->si_pid, &to->si_pid);
+			err |= __put_user(from->si_ptr, &to->si_ptr);
+			break;
 		}
 	}
 	return err;
@@ -612,7 +617,6 @@ sys32_rt_sigtimedwait (compat_sigset_t *uthese, siginfo_t32 *uinfo,
 asmlinkage long
 sys32_rt_sigqueueinfo (int pid, int sig, siginfo_t32 *uinfo)
 {
-	extern int copy_siginfo_from_user32 (siginfo_t *to, siginfo_t32 *from);
 	mm_segment_t old_fs = get_fs();
 	siginfo_t info;
 	int ret;

arch/ia64/kernel/signal.c

@@ -205,6 +205,12 @@ copy_siginfo_to_user (siginfo_t *to, siginfo_t *from)
 			err |= __put_user(from->si_overrun, &to->si_overrun);
 			err |= __put_user(from->si_ptr, &to->si_ptr);
 			break;
+		      case __SI_RT >> 16:	/* Not generated by the kernel as of now.  */
+		      case __SI_MESGQ >> 16:
+			err |= __put_user(from->si_uid, &to->si_uid);
+			err |= __put_user(from->si_pid, &to->si_pid);
+			err |= __put_user(from->si_ptr, &to->si_ptr);
+			break;
 		      case __SI_CHLD >> 16:
 			err |= __put_user(from->si_utime, &to->si_utime);
 			err |= __put_user(from->si_stime, &to->si_stime);
@@ -213,45 +219,11 @@ copy_siginfo_to_user (siginfo_t *to, siginfo_t *from)
 			err |= __put_user(from->si_uid, &to->si_uid);
 			err |= __put_user(from->si_pid, &to->si_pid);
 			break;
-		      /* case __SI_RT: This is not generated by the kernel as of now.  */
 		}
 		return err;
 	}
 }
 
-int
-copy_siginfo_from_user (siginfo_t *to, siginfo_t *from)
-{
-	if (!access_ok(VERIFY_READ, from, sizeof(siginfo_t)))
-		return -EFAULT;
-	if (__copy_from_user(to, from, sizeof(siginfo_t)) != 0)
-		return -EFAULT;
-
-	if (SI_FROMUSER(to))
-		return 0;
-
-	to->si_code &= ~__SI_MASK;
-	if (to->si_code != 0) {
-		switch (to->si_signo) {
-		      case SIGILL: case SIGFPE: case SIGSEGV: case SIGBUS: case SIGTRAP:
-			to->si_code |= __SI_FAULT;
-			break;
-
-		      case SIGCHLD:
-			to->si_code |= __SI_CHLD;
-			break;
-
-		      case SIGPOLL:
-			to->si_code |= __SI_POLL;
-			break;
-
-		      default:
-			break;
-		}
-	}
-	return 0;
-}
-
 long
 ia64_rt_sigreturn (struct sigscratch *scr)
 {

include/asm-ia64/siginfo.h

@@ -136,8 +136,6 @@ copy_siginfo (siginfo_t *to, siginfo_t *from)
 		memcpy(to, from, 4*sizeof(int) + sizeof(from->_sifields._sigchld));
 }
 
-extern int copy_siginfo_from_user(siginfo_t *to, siginfo_t *from);
-
 #endif /* __KERNEL__ */
 
 #endif /* _ASM_IA64_SIGINFO_H */