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powercap: RAPL: Fix a NULL vs IS_ERR() bug

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The devm_ioremap_resource() function returns error pointers on error,
it never returns NULL.  Update the check accordingly.

Fixes: 9eef7f9da9 ("powercap: intel_rapl: Introduce RAPL TPMI interface driver")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Acked-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Dan Carpenter 2023-06-06 11:22:42 +03:00 • committed by Rafael J. Wysocki
parent 4658fe81b3
commit 49776c712e
1 changed files with 2 additions and 2 deletions
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4
drivers/powercap/intel_rapl_tpmi.c
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@ -255,8 +255,8 @@ static int intel_rapl_tpmi_probe(struct auxiliary_device *auxdev,
}
trp->base = devm_ioremap_resource(&auxdev->dev, res);
if (!trp->base) {
ret = -ENOMEM;
if (IS_ERR(trp->base)) {
ret = PTR_ERR(trp->base);
goto err;
}