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powercap/drivers/dtpm: Fix an IS_ERR() vs NULL check

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The powercap_register_control_type() function never returns NULL, it
returns error pointers on error so update this check.

Fixes: a20d0ef97a ("powercap/drivers/dtpm: Add API for dynamic thermal power management")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Dan Carpenter 2021-01-06 12:03:08 +03:00 committed by Rafael J. Wysocki
parent 0fe1329b7b
commit f8f706ad75
1 changed files with 2 additions and 2 deletions
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4
drivers/powercap/dtpm.c
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@ -467,9 +467,9 @@ static int __init dtpm_init(void)
struct dtpm_descr **dtpm_descr;
pct = powercap_register_control_type(NULL, "dtpm", NULL);
if (!pct) {
if (IS_ERR(pct)) {
pr_err("Failed to register control type\n");
return -EINVAL;
return PTR_ERR(pct);
}
for_each_dtpm_table(dtpm_descr)