From: Al Viro <viro@zeniv.linux.org.uk>
Date: Tue, 25 Dec 2012 19:48:41 +0000 (-0500)
Subject: sparc: switch to generic compat rt_sigpending()
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=55bb5a1e3ad96ba61ba7ecac0e4be69d9b625aa4;p=linux-beck.git

sparc: switch to generic compat rt_sigpending()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---

diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig
index c2798cf5fd82..39f8b7419b70 100644
--- a/arch/sparc/Kconfig
+++ b/arch/sparc/Kconfig
@@ -44,6 +44,7 @@ config SPARC
 	select ODD_RT_SIGACTION
 	select GENERIC_SIGALTSTACK
 	select GENERIC_COMPAT_RT_SIGPROCMASK
+	select GENERIC_COMPAT_RT_SIGPENDING
 
 config SPARC32
 	def_bool !64BIT
diff --git a/arch/sparc/kernel/sys_sparc32.c b/arch/sparc/kernel/sys_sparc32.c
index 2b4e57fbf047..35fc3acda9f6 100644
--- a/arch/sparc/kernel/sys_sparc32.c
+++ b/arch/sparc/kernel/sys_sparc32.c
@@ -211,30 +211,6 @@ asmlinkage long compat_sys_sysfs(int option, u32 arg1, u32 arg2)
 	return sys_sysfs(option, arg1, arg2);
 }
 
-asmlinkage long sys32_rt_sigpending(compat_sigset_t __user *set,
-				    compat_size_t sigsetsize)
-{
-	sigset_t s;
-	compat_sigset_t s32;
-	int ret;
-	mm_segment_t old_fs = get_fs();
-		
-	set_fs (KERNEL_DS);
-	ret = sys_rt_sigpending((sigset_t __user *) &s, sigsetsize);
-	set_fs (old_fs);
-	if (!ret) {
-		switch (_NSIG_WORDS) {
-		case 4: s32.sig[7] = (s.sig[3] >> 32); s32.sig[6] = s.sig[3];
-		case 3: s32.sig[5] = (s.sig[2] >> 32); s32.sig[4] = s.sig[2];
-		case 2: s32.sig[3] = (s.sig[1] >> 32); s32.sig[2] = s.sig[1];
-		case 1: s32.sig[1] = (s.sig[0] >> 32); s32.sig[0] = s.sig[0];
-		}
-		if (copy_to_user (set, &s32, sizeof(compat_sigset_t)))
-			return -EFAULT;
-	}
-	return ret;
-}
-
 asmlinkage long compat_sys_rt_sigqueueinfo(int pid, int sig,
 					   struct compat_siginfo __user *uinfo)
 {
diff --git a/arch/sparc/kernel/systbls_64.S b/arch/sparc/kernel/systbls_64.S
index 83ec8d467083..f2b7f6792428 100644
--- a/arch/sparc/kernel/systbls_64.S
+++ b/arch/sparc/kernel/systbls_64.S
@@ -38,7 +38,7 @@ sys_call_table32:
 	.word sys32_swapon, sys32_getitimer, sys_setuid, sys32_sethostname, sys_setgid
 /*90*/	.word sys_dup2, sys_setfsuid, compat_sys_fcntl, sys32_select, sys_setfsgid
 	.word sys_fsync, sys32_setpriority, sys_nis_syscall, sys_nis_syscall, sys_nis_syscall
-/*100*/ .word sys32_getpriority, sys32_rt_sigreturn, sys32_rt_sigaction, sys32_rt_sigprocmask, sys32_rt_sigpending
+/*100*/ .word sys32_getpriority, sys32_rt_sigreturn, sys32_rt_sigaction, sys32_rt_sigprocmask, compat_sys_rt_sigpending
 	.word compat_sys_rt_sigtimedwait, sys32_rt_sigqueueinfo, compat_sys_rt_sigsuspend, sys_setresuid, sys_getresuid
 /*110*/	.word sys_setresgid, sys_getresgid, sys_setregid, sys_nis_syscall, sys_nis_syscall
 	.word sys32_getgroups, compat_sys_gettimeofday, sys32_getrusage, sys_nis_syscall, sys_getcwd