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Diffstat (limited to 'arch/x86/events/core.c')
-rw-r--r--arch/x86/events/core.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/arch/x86/events/core.c b/arch/x86/events/core.c
index 06b708494898..de32741d041a 100644
--- a/arch/x86/events/core.c
+++ b/arch/x86/events/core.c
@@ -1652,9 +1652,9 @@ __init struct attribute **merge_attr(struct attribute **a, struct attribute **b)
struct attribute **new;
int j, i;
- for (j = 0; a[j]; j++)
+ for (j = 0; a && a[j]; j++)
;
- for (i = 0; b[i]; i++)
+ for (i = 0; b && b[i]; i++)
j++;
j++;
@@ -1663,9 +1663,9 @@ __init struct attribute **merge_attr(struct attribute **a, struct attribute **b)
return NULL;
j = 0;
- for (i = 0; a[i]; i++)
+ for (i = 0; a && a[i]; i++)
new[j++] = a[i];
- for (i = 0; b[i]; i++)
+ for (i = 0; b && b[i]; i++)
new[j++] = b[i];
new[j] = NULL;