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authorAndy Shevchenko <andriy.shevchenko@linux.intel.com>2020-07-16 20:57:37 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2020-07-21 16:48:39 +0300
commite82d785eba4a2b047a71d7d6c5ee671237bfe716 (patch)
tree20ca64a50168ea92c36be969c3bf9fbf0866c9e1 /drivers/hwtracing/coresight/coresight-stm.c
parent870fdd851ca50ffa552c41fd127afafceb303eca (diff)
downloadlinux-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.c2
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;