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powerpc: Don't print cpu_spec->cpu_name if it's NULL

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Currently we assume that if the cpu_spec has a pvr_mask then it must also have a
cpu_name. But that will change in a subsequent commit when we do CPU feature
discovery via the device tree, so check explicitly if cpu_name is NULL.

Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Nicholas Piggin 2017-05-09 13:17:08 +10:00 committed by Michael Ellerman
parent ea47dd191d
commit 75bda95048
1 changed files with 1 additions and 1 deletions
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2
arch/powerpc/kernel/setup-common.c
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@ -256,7 +256,7 @@ static int show_cpuinfo(struct seq_file *m, void *v)
seq_printf(m, "processor\t: %lu\n", cpu_id);
seq_printf(m, "cpu\t\t: ");
if (cur_cpu_spec->pvr_mask)
if (cur_cpu_spec->pvr_mask && cur_cpu_spec->cpu_name)
seq_printf(m, "%s", cur_cpu_spec->cpu_name);
else
seq_printf(m, "unknown (%08x)", pvr);