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| author | Andy Shevchenko <andriy.shevchenko@linux.intel.com> | 2020-07-16 20:57:37 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-07-21 16:48:39 +0300 |
| commit | e82d785eba4a2b047a71d7d6c5ee671237bfe716 (patch) | |
| tree | 20ca64a50168ea92c36be969c3bf9fbf0866c9e1 /drivers/hwtracing/coresight/coresight-stm.c | |
| parent | 870fdd851ca50ffa552c41fd127afafceb303eca (diff) | |
| download | linux-e82d785eba4a2b047a71d7d6c5ee671237bfe716.tar.xz | |
coresight: 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>
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Link: https://lore.kernel.org/r/20200716175746.3338735-9-mathieu.poirier@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/hwtracing/coresight/coresight-stm.c')
| -rw-r--r-- | drivers/hwtracing/coresight/coresight-stm.c | 2 |
1 files changed, 0 insertions, 2 deletions
diff --git a/drivers/hwtracing/coresight/coresight-stm.c b/drivers/hwtracing/coresight/coresight-stm.c index b908ca104645..673d2f56ed1e 100644 --- a/drivers/hwtracing/coresight/coresight-stm.c +++ b/drivers/hwtracing/coresight/coresight-stm.c @@ -727,8 +727,6 @@ static int acpi_stm_get_stimulus_area(struct device *dev, struct resource *res) struct acpi_device *adev = ACPI_COMPANION(dev); - if (!adev) - return -ENODEV; rc = acpi_dev_get_resources(adev, &res_list, NULL, NULL); if (rc < 0) return rc; |