On 08/09/2025 1:20 pm, Lin Yujun wrote:
The return value of devm_kzalloc could be an null pointer, use "!desc.pdata" to fix incorrect handling return value of devm_kzalloc.
Fixes: 4277f035d227 ("coresight: trbe: Add a representative coresight_platform_data for TRBE") Signed-off-by: Lin Yujun linyujun809@h-partners.com
drivers/hwtracing/coresight/coresight-trbe.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/hwtracing/coresight/coresight-trbe.c b/drivers/hwtracing/coresight/coresight-trbe.c index 8267dd1a2130..caf873adfc3a 100644 --- a/drivers/hwtracing/coresight/coresight-trbe.c +++ b/drivers/hwtracing/coresight/coresight-trbe.c @@ -1277,11 +1277,11 @@ static void arm_trbe_register_coresight_cpu(struct trbe_drvdata *drvdata, int cp * ends up failing. Instead let's allocate a dummy zeroed * coresight_platform_data structure and assign that back * into the device for that purpose. */ desc.pdata = devm_kzalloc(dev, sizeof(*desc.pdata), GFP_KERNEL);
- if (IS_ERR(desc.pdata))
- if (!desc.pdata) goto cpu_clear;
desc.type = CORESIGHT_DEV_TYPE_SINK; desc.subtype.sink_subtype = CORESIGHT_DEV_SUBTYPE_SINK_PERCPU_SYSMEM; desc.ops = &arm_trbe_cs_ops;
Reviewed-by: James Clark james.clark@linaro.org