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Subject[PATCH 1/4] x86: signal_32.c: introduce signr_convert()
From: Hiroshi Shimamoto <h-shimamoto@ct.jp.nec.com>

Introduce signr_convert().
This function will help unification of setup_rt_frame().

Signed-off-by: Hiroshi Shimamoto <h-shimamoto@ct.jp.nec.com>
---
arch/x86/kernel/signal_32.c | 17 ++++++++++-------
1 files changed, 10 insertions(+), 7 deletions(-)

diff --git a/arch/x86/kernel/signal_32.c b/arch/x86/kernel/signal_32.c
index bb05917..b1bc90f 100644
--- a/arch/x86/kernel/signal_32.c
+++ b/arch/x86/kernel/signal_32.c
@@ -482,18 +482,21 @@ static int __setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
/*
* OK, we're invoking a handler:
*/
+static int signr_convert(int sig)
+{
+ struct thread_info *info = current_thread_info();
+
+ if (info->exec_domain && info->exec_domain->signal_invmap && sig < 32)
+ return info->exec_domain->signal_invmap[sig];
+ return sig;
+}
+
static int
setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
sigset_t *set, struct pt_regs *regs)
{
+ int usig = signr_convert(sig);
int ret;
- int usig;
-
- usig = current_thread_info()->exec_domain
- && current_thread_info()->exec_domain->signal_invmap
- && sig < 32
- ? current_thread_info()->exec_domain->signal_invmap[sig]
- : sig;

/* Set up the stack frame */
if (ka->sa.sa_flags & SA_SIGINFO)
--
1.5.6


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