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drivers: perf: marvell_cn10k: fix an IS_ERR() vs NULL check

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The devm_ioremap() function does not return error pointers.  It returns
NULL.

Fixes: 036a7584be ("drivers: perf: Add LLC-TAD perf counter support")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Link: https://lore.kernel.org/r/20211217145907.GA16611@kili
Signed-off-by: Will Deacon <will@kernel.org>
This commit is contained in:
Dan Carpenter 2021-12-17 17:59:08 +03:00 committed by Will Deacon
parent 527a7f5252
commit 2da56881a7
1 changed files with 1 additions and 1 deletions
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drivers/perf/marvell_cn10k_tad_pmu.c
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@ -312,7 +312,7 @@ static int tad_pmu_probe(struct platform_device *pdev)
regions[i].base = devm_ioremap(&pdev->dev,
res->start,
tad_pmu_page_size);
if (IS_ERR(regions[i].base)) {
if (!regions[i].base) {
dev_err(&pdev->dev, "TAD%d ioremap fail\n", i);
return -ENOMEM;
}