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| author | Andy Shevchenko <andriy.shevchenko@linux.intel.com> | 2020-05-26 15:53:29 +0300 |
|---|---|---|
| committer | Andy Shevchenko <andriy.shevchenko@linux.intel.com> | 2020-07-09 22:40:36 +0300 |
| commit | eca6f176209937695db01a37814308d367781ab6 (patch) | |
| tree | b62f792b61740ddd64d622992b622ad64199156c /drivers/platform/x86 | |
| parent | b3a9e3b9622ae10064826dccb4f7a52bd88c7407 (diff) | |
| download | linux-eca6f176209937695db01a37814308d367781ab6.tar.bz2 | |
platform/x86: intel_cht_int33fe: Drop double check for ACPI companion device
acpi_dev_get_resources() does perform the NULL pointer check against
ACPI companion device which is given as function parameter. Thus,
there is no need to duplicate this check in the caller.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Diffstat (limited to 'drivers/platform/x86')
| -rw-r--r-- | drivers/platform/x86/intel_cht_int33fe_common.c | 14 |
1 files changed, 6 insertions, 8 deletions
diff --git a/drivers/platform/x86/intel_cht_int33fe_common.c b/drivers/platform/x86/intel_cht_int33fe_common.c index 42dd11623f56..251ed9bac789 100644 --- a/drivers/platform/x86/intel_cht_int33fe_common.c +++ b/drivers/platform/x86/intel_cht_int33fe_common.c @@ -29,18 +29,16 @@ static int cht_int33fe_i2c_res_filter(struct acpi_resource *ares, void *data) static int cht_int33fe_count_i2c_clients(struct device *dev) { - struct acpi_device *adev; + struct acpi_device *adev = ACPI_COMPANION(dev); LIST_HEAD(resource_list); int count = 0; + int ret; - adev = ACPI_COMPANION(dev); - if (!adev) - return -EINVAL; - - acpi_dev_get_resources(adev, &resource_list, - cht_int33fe_i2c_res_filter, &count); - + ret = acpi_dev_get_resources(adev, &resource_list, + cht_int33fe_i2c_res_filter, &count); acpi_dev_free_resource_list(&resource_list); + if (ret < 0) + return ret; return count; } |