From: Hiroshi Shimamoto Date: Sat, 21 Feb 2009 03:00:13 +0000 (-0800) Subject: x86: ia32_signal: introduce GET_SEG() macro X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=8801ead40caa8ba9c7d47a06ff1247c166cbfd5a;p=linux-beck.git x86: ia32_signal: introduce GET_SEG() macro Impact: cleanup introduce GET_SEG() macro like arch/x86/kernel/signal.c. Signed-off-by: Hiroshi Shimamoto Signed-off-by: Ingo Molnar --- diff --git a/arch/x86/ia32/ia32_signal.c b/arch/x86/ia32/ia32_signal.c index adc63f81cb8e..8dd0903da08b 100644 --- a/arch/x86/ia32/ia32_signal.c +++ b/arch/x86/ia32/ia32_signal.c @@ -192,11 +192,15 @@ asmlinkage long sys32_sigaltstack(const stack_ia32_t __user *uss_ptr, get_user_ex(regs->x, &sc->x); \ } -#define COPY_SEG_CPL3(seg) { \ - unsigned short tmp; \ - get_user_ex(tmp, &sc->seg); \ - regs->seg = tmp | 3; \ -} +#define GET_SEG(seg) ({ \ + unsigned short tmp; \ + get_user_ex(tmp, &sc->seg); \ + tmp; \ +}) + +#define COPY_SEG_CPL3(seg) do { \ + regs->seg = GET_SEG(seg) | 3; \ +} while (0) #define RELOAD_SEG(seg) { \ unsigned int cur, pre; \