6.17-stable review patch. If anyone has any objections, please let me know.
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From: Lin Yujun linyujun809@h-partners.com
[ Upstream commit 70714eb7243eaf333d23501d4c7bdd9daf011c01 ]
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 Reviewed-by: James Clark james.clark@linaro.org Signed-off-by: Suzuki K Poulose suzuki.poulose@arm.com Link: https://lore.kernel.org/r/20250908122022.1315399-1-linyujun809@h-partners.co... Signed-off-by: Sasha Levin sashal@kernel.org --- 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 3dd2e1b4809dc..43643d2c5bdd0 100644 --- a/drivers/hwtracing/coresight/coresight-trbe.c +++ b/drivers/hwtracing/coresight/coresight-trbe.c @@ -1281,7 +1281,7 @@ static void arm_trbe_register_coresight_cpu(struct trbe_drvdata *drvdata, int cp * 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;