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cpufreq: apple-soc: Fix an IS_ERR() vs NULL check

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The of_iomap() function returns NULL if it fails.  It never returns
error pointers.  Fix the check accordingly.

Fixes: 6286bbb405 ("cpufreq: apple-soc: Add new driver to control Apple SoC CPU P-states")
Signed-off-by: Dan Carpenter <error27@gmail.com>
Reviewed-by: Eric Curtin <ecurtin@redhat.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Dan Carpenter 2023-02-27 13:07:09 +03:00 committed by Rafael J. Wysocki
parent 5bd289f69b
commit f43523620f
1 changed files with 2 additions and 2 deletions
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4
drivers/cpufreq/apple-soc-cpufreq.c
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@ -189,8 +189,8 @@ static int apple_soc_cpufreq_find_cluster(struct cpufreq_policy *policy,
*info = match->data;
*reg_base = of_iomap(args.np, 0);
if (IS_ERR(*reg_base))
return PTR_ERR(*reg_base);
if (!*reg_base)
return -ENOMEM;
return 0;
}