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coresight: Fix incorrect handling for return value of devm_kzalloc

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[ 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: 4277f035d2 ("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.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Lin Yujun
2025-09-08 20:20:22 +08:00
committed by Greg Kroah-Hartman
parent d0b7172e45
commit 9688b66d0a
1 changed files with 1 additions and 1 deletions
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drivers/hwtracing/coresight/coresight-trbe.c
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@@ -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;