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authorAl Viro <viro@zeniv.linux.org.uk>2012-12-25 19:23:55 -0500
committerAl Viro <viro@zeniv.linux.org.uk>2013-02-03 18:16:16 -0500
commit0679a858c5439bf4bc05fd211d3690f82fefa5b6 (patch)
treebe14ceaf88aeef764efb0521cc31fad9056fb09c
parent881e252d6b37d7526008e3dcd4592823d9273e1f (diff)
downloadop-kernel-dev-0679a858c5439bf4bc05fd211d3690f82fefa5b6.zip
op-kernel-dev-0679a858c5439bf4bc05fd211d3690f82fefa5b6.tar.gz
sh: switch to generic old sigaction()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
-rw-r--r--arch/sh/Kconfig1
-rw-r--r--arch/sh/include/asm/syscalls_32.h2
-rw-r--r--arch/sh/include/uapi/asm/signal.h2
-rw-r--r--arch/sh/kernel/signal_32.c32
-rw-r--r--arch/sh/kernel/signal_64.c32
5 files changed, 3 insertions, 66 deletions
diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig
index d69caaf..b5fd9f3 100644
--- a/arch/sh/Kconfig
+++ b/arch/sh/Kconfig
@@ -42,6 +42,7 @@ config SUPERH
select MODULES_USE_ELF_RELA
select GENERIC_SIGALTSTACK
select OLD_SIGSUSPEND
+ select OLD_SIGACTION
help
The SuperH is a RISC processor targeted for use in embedded systems
and consumer electronics; it was also used in the Sega Dreamcast
diff --git a/arch/sh/include/asm/syscalls_32.h b/arch/sh/include/asm/syscalls_32.h
index dc72388..4f97df8 100644
--- a/arch/sh/include/asm/syscalls_32.h
+++ b/arch/sh/include/asm/syscalls_32.h
@@ -9,8 +9,6 @@
struct pt_regs;
-asmlinkage int sys_sigaction(int sig, const struct old_sigaction __user *act,
- struct old_sigaction __user *oact);
asmlinkage int sys_sigreturn(unsigned long r4, unsigned long r5,
unsigned long r6, unsigned long r7,
struct pt_regs __regs);
diff --git a/arch/sh/include/uapi/asm/signal.h b/arch/sh/include/uapi/asm/signal.h
index 9ac530a..cb96d02 100644
--- a/arch/sh/include/uapi/asm/signal.h
+++ b/arch/sh/include/uapi/asm/signal.h
@@ -5,11 +5,13 @@
#include <asm-generic/signal.h>
+#ifndef __KERNEL__
struct old_sigaction {
__sighandler_t sa_handler;
old_sigset_t sa_mask;
unsigned long sa_flags;
void (*sa_restorer)(void);
};
+#endif
#endif /* __ASM_SH_SIGNAL_H */
diff --git a/arch/sh/kernel/signal_32.c b/arch/sh/kernel/signal_32.c
index c660a91..6af6e7c 100644
--- a/arch/sh/kernel/signal_32.c
+++ b/arch/sh/kernel/signal_32.c
@@ -46,38 +46,6 @@ struct fdpic_func_descriptor {
*/
#define UNWINDGUARD 64
-asmlinkage int
-sys_sigaction(int sig, const struct old_sigaction __user *act,
- struct old_sigaction __user *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/sh/kernel/signal_64.c b/arch/sh/kernel/signal_64.c
index 8705f3e..23d4c71 100644
--- a/arch/sh/kernel/signal_64.c
+++ b/arch/sh/kernel/signal_64.c
@@ -127,38 +127,6 @@ static void do_signal(struct pt_regs *regs)
restore_saved_sigmask();
}
-asmlinkage int
-sys_sigaction(int sig, const struct old_sigaction __user *act,
- struct old_sigaction __user *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.
*/
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