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MIPS64: signal: Fix o32 sigaction syscall

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MIPS32 o32 ABI sigaction() processing on MIPS64 n64 kernel was incorrectly
set to processing aka rt_sigaction() variant only.

Signed-off-by: Leonid Yegoshin <Leonid.Yegoshin@imgtec.com>
Cc: paul.burton@imgtec.com
Cc: richard@nod.at
Cc: luto@amacapital.net
Cc: alex.smith@imgtec.com
Cc: Maciej W. Rozycki <macro@linux-mips.org>
Cc: mpe@ellerman.id.au
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/11321/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Leonid Yegoshin 2015-10-19 11:39:55 -07:00 committed by Ralf Baechle
parent cb80b2a38b
commit 7939469da2
2 changed files with 10 additions and 4 deletions
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12
arch/mips/include/asm/signal.h
View File

@ -11,11 +11,17 @@
#include <uapi/asm/signal.h>
#ifdef CONFIG_MIPS32_COMPAT
extern struct mips_abi mips_abi_32;
#ifdef CONFIG_TRAD_SIGNALS
#define sig_uses_siginfo(ka) ((ka)->sa.sa_flags & SA_SIGINFO)
#define sig_uses_siginfo(ka, abi) \
((abi != &mips_abi_32) ? 1 : \
((ka)->sa.sa_flags & SA_SIGINFO))
#else
#define sig_uses_siginfo(ka) (1)
#define sig_uses_siginfo(ka, abi) \
(config_enabled(CONFIG_64BIT) ? 1 : \
(config_enabled(CONFIG_TRAD_SIGNALS) ? \
((ka)->sa.sa_flags & SA_SIGINFO) : 1) )
#endif
#include <asm/sigcontext.h>

2
arch/mips/kernel/signal.c
View File

@ -798,7 +798,7 @@ static void handle_signal(struct ksignal *ksig, struct pt_regs *regs)
regs->regs[0] = 0; /* Don't deal with this again. */
}
if (sig_uses_siginfo(&ksig->ka))
if (sig_uses_siginfo(&ksig->ka, abi))
ret = abi->setup_rt_frame(vdso + abi->vdso->off_rt_sigreturn,
ksig, regs, oldset);
else