powerpc/sstep: Avoid used uninitialized error
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>
diff --git a/arch/powerpc/lib/sstep.c b/arch/powerpc/lib/sstep.c
index 06dd61d..fb9f58b 100644
--- a/arch/powerpc/lib/sstep.c
+++ b/arch/powerpc/lib/sstep.c
@@ -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: