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parisc: avoid unitialized variable warning in pa_memcpy()

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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>
This commit is contained in:
Helge Deller 2013-02-27 00:06:48 +01:00
parent 850df98434
commit d8d0524a39
1 changed files with 1 additions and 1 deletions
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2
arch/parisc/lib/memcpy.c
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@ -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)) \