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| author | Lin Yujun <linyujun809@h-partners.com> | 2025-09-08 20:20:22 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-10-15 12:00:16 +0200 |
| commit | 8c4e7e646d5d9050b374baf5c6bb3a00fb79e206 (patch) | |
| tree | 0d2a169d1cc886ffd0eb6e3d80b591951b65a8c6 /drivers/hwtracing | |
| parent | af82868328552d8055899106bdcc047db0de4036 (diff) | |
| download | linux-8c4e7e646d5d9050b374baf5c6bb3a00fb79e206.tar.gz linux-8c4e7e646d5d9050b374baf5c6bb3a00fb79e206.tar.bz2 linux-8c4e7e646d5d9050b374baf5c6bb3a00fb79e206.zip | |
coresight: Fix incorrect handling for return value of devm_kzalloc
[ 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.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers/hwtracing')
| -rw-r--r-- | drivers/hwtracing/coresight/coresight-trbe.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/hwtracing/coresight/coresight-trbe.c b/drivers/hwtracing/coresight/coresight-trbe.c index 575567491372..d771980a278d 100644 --- a/drivers/hwtracing/coresight/coresight-trbe.c +++ b/drivers/hwtracing/coresight/coresight-trbe.c @@ -1267,7 +1267,7 @@ 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; |