From: Eric W. Biederman <ebiederm@xmission.com>
Date: Thu, 27 Jul 2017 16:59:46 +0000 (-0500)
Subject: signal: Remove unnecessary ifdefs now that there is only one struct siginfo
X-Git-Tag: v4.19~1738^2~22
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=0326e7ef057d214ed43a77557078c24e98b84af9;p=platform%2Fkernel%2Flinux-rpi.git

signal: Remove unnecessary ifdefs now that there is only one struct siginfo

Remove HAVE_ARCH_SIGINFO_T
Remove __ARCH_SIGSYS

Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
---

diff --git a/include/linux/signal.h b/include/linux/signal.h
index 87abf0c..a9bc7e1 100644
--- a/include/linux/signal.h
+++ b/include/linux/signal.h
@@ -30,9 +30,7 @@ enum siginfo_layout {
 	SIL_FAULT,
 	SIL_CHLD,
 	SIL_RT,
-#ifdef __ARCH_SIGSYS
 	SIL_SYS,
-#endif
 };
 
 enum siginfo_layout siginfo_layout(int sig, int si_code);
diff --git a/include/uapi/asm-generic/siginfo.h b/include/uapi/asm-generic/siginfo.h
index 00829f7..a650d25 100644
--- a/include/uapi/asm-generic/siginfo.h
+++ b/include/uapi/asm-generic/siginfo.h
@@ -44,8 +44,6 @@ typedef union sigval {
 #define __ARCH_SI_ATTRIBUTES
 #endif
 
-#ifndef HAVE_ARCH_SIGINFO_T
-
 typedef struct siginfo {
 	int si_signo;
 #ifndef __ARCH_HAS_SWAPPED_SIGINFO
@@ -128,10 +126,6 @@ typedef struct siginfo {
 	} _sifields;
 } __ARCH_SI_ATTRIBUTES siginfo_t;
 
-/* If the arch shares siginfo, then it has SIGSYS. */
-#define __ARCH_SIGSYS
-#endif
-
 /*
  * How these fields are to be accessed.
  */
@@ -156,11 +150,9 @@ typedef struct siginfo {
 #define si_pkey		_sifields._sigfault._pkey
 #define si_band		_sifields._sigpoll._band
 #define si_fd		_sifields._sigpoll._fd
-#ifdef __ARCH_SIGSYS
 #define si_call_addr	_sifields._sigsys._call_addr
 #define si_syscall	_sifields._sigsys._syscall
 #define si_arch		_sifields._sigsys._arch
-#endif
 
 /*
  * si_code values
diff --git a/kernel/signal.c b/kernel/signal.c
index 62c6428..47c87b1 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -2697,9 +2697,7 @@ enum siginfo_layout siginfo_layout(int sig, int si_code)
 #endif
 			[SIGCHLD] = { NSIGCHLD, SIL_CHLD },
 			[SIGPOLL] = { NSIGPOLL, SIL_POLL },
-#ifdef __ARCH_SIGSYS
 			[SIGSYS]  = { NSIGSYS,  SIL_SYS },
-#endif
 		};
 		if ((sig < ARRAY_SIZE(filter)) && (si_code <= filter[sig].limit))
 			layout = filter[sig].layout;
@@ -2804,13 +2802,11 @@ int copy_siginfo_to_user(siginfo_t __user *to, const siginfo_t *from)
 		err |= __put_user(from->si_uid, &to->si_uid);
 		err |= __put_user(from->si_ptr, &to->si_ptr);
 		break;
-#ifdef __ARCH_SIGSYS
 	case SIL_SYS:
 		err |= __put_user(from->si_call_addr, &to->si_call_addr);
 		err |= __put_user(from->si_syscall, &to->si_syscall);
 		err |= __put_user(from->si_arch, &to->si_arch);
 		break;
-#endif
 	}
 	return err;
 }