From: Al Viro <viro@zeniv.linux.org.uk>
Date: Wed, 26 Dec 2012 00:30:53 +0000 (-0500)
Subject: cris: switch to generic old sigaction()
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=eb2f256682e5af4b890d1f3cce4a4d4b62ffa655;p=GitHub%2FLineageOS%2Fandroid_kernel_samsung_universal7580.git

cris: switch to generic old sigaction()

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

diff --git a/arch/cris/Kconfig b/arch/cris/Kconfig
index 686968c1089..c2a1d0a8924 100644
--- a/arch/cris/Kconfig
+++ b/arch/cris/Kconfig
@@ -52,6 +52,7 @@ config CRIS
 	select CLONE_BACKWARDS2
 	select GENERIC_SIGALTSTACK
 	select OLD_SIGSUSPEND
+	select OLD_SIGACTION
 
 config HZ
 	int
diff --git a/arch/cris/arch-v10/kernel/signal.c b/arch/cris/arch-v10/kernel/signal.c
index e53c1b455c3..090e9c64408 100644
--- a/arch/cris/arch-v10/kernel/signal.c
+++ b/arch/cris/arch-v10/kernel/signal.c
@@ -41,37 +41,6 @@
 
 void do_signal(int canrestart, struct pt_regs *regs);
 
-int sys_sigaction(int sig, const struct old_sigaction __user *act,
-	struct old_sigaction *oact)
-{
-	struct k_sigaction new_ka, old_ka;
-	int ret;
-
-	if (act) {
-		old_sigset_t mask;
-		if (!access_ok(VERIFY_READ, act, sizeof(*act)) ||
-		    __get_user(new_ka.sa.sa_handler, &act->sa_handler) ||
-		    __get_user(new_ka.sa.sa_restorer, &act->sa_restorer) ||
-		     __get_user(new_ka.sa.sa_flags, &act->sa_flags) ||
-		     __get_user(mask, &act->sa_mask))
-			return -EFAULT;
-		siginitset(&new_ka.sa.sa_mask, mask);
-	}
-
-	ret = do_sigaction(sig, act ? &new_ka : NULL, oact ? &old_ka : NULL);
-
-	if (!ret && oact) {
-		if (!access_ok(VERIFY_WRITE, oact, sizeof(*oact)) ||
-		    __put_user(old_ka.sa.sa_handler, &oact->sa_handler) ||
-		    __put_user(old_ka.sa.sa_restorer, &oact->sa_restorer) ||
-		    __put_user(old_ka.sa.sa_flags, &oact->sa_flags) ||
-		    __put_user(old_ka.sa.sa_mask.sig[0], &oact->sa_mask))
-			return -EFAULT;
-	}
-
-	return ret;
-}
-
 /*
  * Do a signal return; undo the signal stack.
  */
diff --git a/arch/cris/arch-v32/kernel/signal.c b/arch/cris/arch-v32/kernel/signal.c
index 4ccf144b49a..cee740732d1 100644
--- a/arch/cris/arch-v32/kernel/signal.c
+++ b/arch/cris/arch-v32/kernel/signal.c
@@ -52,42 +52,6 @@ void do_signal(int restart, struct pt_regs *regs);
 void keep_debug_flags(unsigned long oldccs, unsigned long oldspc,
 		      struct pt_regs *regs);
 
-int
-sys_sigaction(int signal, const struct old_sigaction *act,
-	      struct old_sigaction *oact)
-{
-	int retval;
-	struct k_sigaction newk;
-	struct k_sigaction oldk;
-
-	if (act) {
-		old_sigset_t mask;
-
-		if (!access_ok(VERIFY_READ, act, sizeof(*act)) ||
-		    __get_user(newk.sa.sa_handler, &act->sa_handler) ||
-		    __get_user(newk.sa.sa_restorer, &act->sa_restorer) ||
-		    __get_user(newk.sa.sa_flags, &act->sa_flags) ||
-		    __get_user(mask, &act->sa_mask))
-			return -EFAULT;
-
-		siginitset(&newk.sa.sa_mask, mask);
-	}
-
-	retval = do_sigaction(signal, act ? &newk : NULL, oact ? &oldk : NULL);
-
-	if (!retval && oact) {
-		if (!access_ok(VERIFY_WRITE, oact, sizeof(*oact)) ||
-		    __put_user(oldk.sa.sa_handler, &oact->sa_handler) ||
-		    __put_user(oldk.sa.sa_restorer, &oact->sa_restorer) ||
-		    __put_user(oldk.sa.sa_flags, &oact->sa_flags) ||
-		    __put_user(oldk.sa.sa_mask.sig[0], &oact->sa_mask))
-			return -EFAULT;
-
-	}
-
-	return retval;
-}
-
 static int
 restore_sigcontext(struct pt_regs *regs, struct sigcontext __user *sc)
 {
diff --git a/arch/cris/include/asm/signal.h b/arch/cris/include/asm/signal.h
index b3650ab2c32..c11b8745cec 100644
--- a/arch/cris/include/asm/signal.h
+++ b/arch/cris/include/asm/signal.h
@@ -16,13 +16,6 @@ typedef struct {
 	unsigned long sig[_NSIG_WORDS];
 } sigset_t;
 
-struct old_sigaction {
-	__sighandler_t sa_handler;
-	old_sigset_t sa_mask;
-	unsigned long sa_flags;
-	void (*sa_restorer)(void);
-};
-
 #define __ARCH_HAS_SA_RESTORER
 
 #include <asm/sigcontext.h>