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powerpc/sstep: Avoid used uninitialized error

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Older compilers think val may be used uninitialized:

  arch/powerpc/lib/sstep.c: In function 'emulate_loadstore':
  arch/powerpc/lib/sstep.c:2758:23: error: 'val' may be used uninitialized in this function

We know better, but initialise val to 0 to avoid breaking the build.

Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Michael Ellerman 2017-09-02 07:48:17 +10:00
parent fdbb9457b4
commit 3b79b26101
1 changed files with 1 additions and 0 deletions
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arch/powerpc/lib/sstep.c
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@ -2727,6 +2727,7 @@ int emulate_loadstore(struct pt_regs *regs, struct instruction_op *op)
if (!address_ok(regs, ea, size))
return -EFAULT;
err = 0;
val = 0;
switch (size) {
#ifdef __powerpc64__
case 1: