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ARC: perf: don't add code for impossible case 

Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
This commit is contained in:
Vineet Gupta 2015-04-20 16:49:30 +05:30
parent 30fdd373f2
commit d8f6ad85cb
1 changed files with 1 additions and 4 deletions
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5
arch/arc/kernel/perf_event.c
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@ -288,10 +288,7 @@ static int arc_pmu_device_probe(struct platform_device *pdev)
BUG_ON(pct_bcr.c > ARC_PMU_MAX_HWEVENTS);
READ_BCR(ARC_REG_CC_BUILD, cc_bcr);
if (!cc_bcr.v) {
pr_err("Performance counters exist, but no countable conditions?\n");
return -ENODEV;
}
BUG_ON(!cc_bcr.v); /* Counters exist but No countable conditions ? */
arc_pmu = devm_kzalloc(&pdev->dev, sizeof(struct arc_pmu), GFP_KERNEL);
if (!arc_pmu)