MIPS: Oprofile: Print error message if the CPU happen to have no counters.
Signed-off-by: Ralf Baechle <ralf@ongar.mips.com>
diff --git a/arch/mips/oprofile/op_model_mipsxx.c b/arch/mips/oprofile/op_model_mipsxx.c
index a4a4aa9..d97bbff 100644
--- a/arch/mips/oprofile/op_model_mipsxx.c
+++ b/arch/mips/oprofile/op_model_mipsxx.c
@@ -180,8 +180,10 @@
int counters;
counters = n_counters();
- if (counters == 0)
+ if (counters == 0) {
+ printk(KERN_ERR "Oprofile: CPU has no performance counters\n");
return -ENODEV;
+ }
reset_counters(counters);