x86/alternatives: Fixup alternative_call_2

The following pattern fails to compile while the same pattern
with alternative_call() does:

	if (...)
		alternative_call_2(...);
	else
		alternative_call_2(...);

as it expands into

	if (...)
	{
	};	<===
	else
	{
	};

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Borislav Petkov <bp@suse.de>
Link: https://lkml.kernel.org/r/20180114120504.GA11368@avx2

1 files changed, 1 insertions, 3 deletions

diff --git a/arch/x86/include/asm/alternative.h b/arch/x86/include/asm/alternative.h
index cf5961ca8677..4cd6a3b71824 100644
--- a/arch/x86/include/asm/alternative.h
+++ b/arch/x86/include/asm/alternative.h
@@ -218,13 +218,11 @@ static inline int alternatives_text_reserved(void *start, void *end)
  */
 #define alternative_call_2(oldfunc, newfunc1, feature1, newfunc2, feature2,   \
                            output, input...)                                  \
-{                                                                             \
         asm volatile (ALTERNATIVE_2("call %P[old]", "call %P[new1]", feature1,\
                 "call %P[new2]", feature2)                                    \
                 : output, ASM_CALL_CONSTRAINT                                 \
                 : [old] "i" (oldfunc), [new1] "i" (newfunc1),                 \
-                  [new2] "i" (newfunc2), ## input);                           \
-}
+                  [new2] "i" (newfunc2), ## input)
 
 /*
  * use this macro(s) if you need more than one output parameter