Commit d8d0524a authored Feb 27, 2013 by Helge Deller

parisc: avoid unitialized variable warning in pa_memcpy()

Avoid this warning, while still prevent gcc from optimizing away the exception code:
arch/parisc/lib/memcpy.c: In function ‘pa_memcpy’:
arch/parisc/lib/memcpy.c:256:2: warning: ‘dummy’ may be used uninitialized in this function [-Wuninitialized]

Signed-off-by: Helge Deller <deller@gmx.de>

parent 850df984

arch/parisc/lib/memcpy.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -68,7 +68,7 @@
		DECLARE_PER_CPU(struct exception_data, exception_data);

		#define preserve_branch(label) do { \
		volatile int dummy; \
		volatile int dummy = 0; \
		/* The following branch is never taken, it's just here to */ \
		/* prevent gcc from optimizing away our exception code. */ \
		if (unlikely(dummy != dummy)) \