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-rw-r--r--arch/powerpc/lib/sstep.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/powerpc/lib/sstep.c b/arch/powerpc/lib/sstep.c
index 6af97dc0f6..5766180f53 100644
--- a/arch/powerpc/lib/sstep.c
+++ b/arch/powerpc/lib/sstep.c
@@ -695,7 +695,7 @@ static nokprobe_inline int do_vec_load(int rn, unsigned long ea,
if (err)
return err;
if (unlikely(cross_endian))
- do_byte_reverse(&u.b[ea & 0xf], size);
+ do_byte_reverse(&u.b[ea & 0xf], min_t(size_t, size, sizeof(u)));
preempt_disable();
if (regs->msr & MSR_VEC)
put_vr(rn, &u.v);
@@ -729,7 +729,7 @@ static nokprobe_inline int do_vec_store(int rn, unsigned long ea,
u.v = current->thread.vr_state.vr[rn];
preempt_enable();
if (unlikely(cross_endian))
- do_byte_reverse(&u.b[ea & 0xf], size);
+ do_byte_reverse(&u.b[ea & 0xf], min_t(size_t, size, sizeof(u)));
return copy_mem_out(&u.b[ea & 0xf], ea, size, regs);
}
#endif /* CONFIG_ALTIVEC */