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From: "Dmitry V. Levin" <ldv@altlinux.org>
To: Al Viro <viro@ZenIV.linux.org.uk>
Cc: linux-kernel@vger.kernel.org
Subject: [PATCH 2/3] signal: simplify compat_sigpending()
Date: Tue, 22 Aug 2017 02:16:29 +0300	[thread overview]
Message-ID: <20170821231629.GB24838@altlinux.org> (raw)
In-Reply-To: <20170821230933.GA24816@altlinux.org>

Remove "if it's big-endian..." ifdef in compat_sigpending(),
use the endian-agnostic variant.

Suggested-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Dmitry V. Levin <ldv@altlinux.org>
---
 kernel/signal.c | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/kernel/signal.c b/kernel/signal.c
index a1d0426..7d9d82b 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -3292,15 +3292,11 @@ SYSCALL_DEFINE1(sigpending, old_sigset_t __user *, set)
 #ifdef CONFIG_COMPAT
 COMPAT_SYSCALL_DEFINE1(sigpending, compat_old_sigset_t __user *, set32)
 {
-#ifdef __BIG_ENDIAN
 	sigset_t set;
 	int err = do_sigpending(&set, sizeof(set.sig[0]));
 	if (!err)
 		err = put_user(set.sig[0], set32);
 	return err;
-#else
-	return sys_rt_sigpending((sigset_t __user *)set32, sizeof(*set32));
-#endif
 }
 #endif
 
-- 
ldv

  parent reply	other threads:[~2017-08-21 23:16 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-08-05 20:00 [PATCH] Fix compat_sys_sigpending breakage introduced by v4.13-rc1~6^2~12 Dmitry V. Levin
2017-08-06 18:22 ` Al Viro
2017-08-06 18:46   ` Linus Torvalds
2017-08-21 23:09   ` Dmitry V. Levin
2017-08-21 23:16     ` [PATCH 1/3] signal: replace sigset_to_compat() with put_compat_sigset() Dmitry V. Levin
2017-08-21 23:16     ` Dmitry V. Levin [this message]
2017-08-21 23:16     ` [PATCH 3/3] signal: lift sigset size check out of do_sigpending() Dmitry V. Levin
2017-08-28  4:41   ` [PATCH] Fix compat_sys_sigpending breakage introduced by v4.13-rc1~6^2~12 Al Viro
2017-08-28 15:27     ` Sam Ravnborg

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