diff options
| author | Al Viro <viro@zeniv.linux.org.uk> | 2012-12-25 19:32:07 -0500 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2013-02-03 18:15:47 -0500 |
| commit | 50bcb7e4734df09ee5e479a45992b85118bd1834 (patch) | |
| tree | aefd0d3062b4dade3e9f23fb995e145ad68c72e7 | |
| parent | b68fec2416314cf21e790d1f5161f9ed12c5a3ab (diff) | |
arm: switch to generic old sigaction()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| -rw-r--r-- | arch/arm/Kconfig | 1 | ||||
| -rw-r--r-- | arch/arm/include/asm/signal.h | 7 | ||||
| -rw-r--r-- | arch/arm/kernel/signal.c | 32 |
3 files changed, 1 insertions, 39 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 614c49716ae7..db3152d6dd88 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -58,6 +58,7 @@ config ARM select CLONE_BACKWARDS select GENERIC_SIGALTSTACK select OLD_SIGSUSPEND3 + select OLD_SIGACTION help The ARM series is a line of low-power-consumption RISC chip designs licensed by ARM Ltd and targeted at embedded applications and diff --git a/arch/arm/include/asm/signal.h b/arch/arm/include/asm/signal.h index a5076b9bd463..c0eb412aff04 100644 --- a/arch/arm/include/asm/signal.h +++ b/arch/arm/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; - __sigrestore_t sa_restorer; -}; - #define __ARCH_HAS_SA_RESTORER #include <asm/sigcontext.h> diff --git a/arch/arm/kernel/signal.c b/arch/arm/kernel/signal.c index 61b2cfcef3f1..07429a23c720 100644 --- a/arch/arm/kernel/signal.c +++ b/arch/arm/kernel/signal.c @@ -45,38 +45,6 @@ const unsigned long sigreturn_codes[7] = { MOV_R7_NR_RT_SIGRETURN, SWI_SYS_RT_SIGRETURN, SWI_THUMB_RT_SIGRETURN, }; -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; -} - #ifdef CONFIG_CRUNCH static int preserve_crunch_context(struct crunch_sigframe __user *frame) { |