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-rw-r--r--arch/x86/kernel/cpu/mcheck/mce_amd.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/x86/kernel/cpu/mcheck/mce_amd.c b/arch/x86/kernel/cpu/mcheck/mce_amd.c
index ffacfdcacb85..a5fd137417a2 100644
--- a/arch/x86/kernel/cpu/mcheck/mce_amd.c
+++ b/arch/x86/kernel/cpu/mcheck/mce_amd.c
@@ -1182,6 +1182,9 @@ static int threshold_create_bank(unsigned int cpu, unsigned int bank)
const char *name = get_name(bank, NULL);
int err = 0;
+ if (!dev)
+ return -ENODEV;
+
if (is_shared_bank(bank)) {
nb = node_to_amd_nb(amd_get_nb_id(cpu));