From 8801ead40caa8ba9c7d47a06ff1247c166cbfd5a Mon Sep 17 00:00:00 2001 From: Hiroshi Shimamoto Date: Fri, 20 Feb 2009 19:00:13 -0800 Subject: 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 --- arch/x86/ia32/ia32_signal.c | 14 +++++++++----- 1 file changed, 9 insertions(+), 5 deletions(-) (limited to 'arch/x86/ia32/ia32_signal.c') 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; \ -- cgit v1.2.3