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[v2,0/2] firmware: qcom: scm: fix SMC calls on ARM32

Message ID 20240911-tzmem-null-ptr-v2-0-7c61b1a1b463@linaro.org
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Series firmware: qcom: scm: fix SMC calls on ARM32 | expand

Message

Bartosz Golaszewski Sept. 11, 2024, 9:07 a.m. UTC 
The new TZ Mem allocator assumes the SCM driver is always probed which
apparently isn't the case on older platforms. Add a proper workaround.

Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
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Changes in v2:
- use likely() for the more likely branch in smc_args_free()
- Link to v1: https://lore.kernel.org/r/20240909-tzmem-null-ptr-v1-0-96526c421bac@linaro.org

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Bartosz Golaszewski (2):
      firmware: qcom: scm: fix a NULL-pointer dereference
      firmware: qcom: scm: fall back to kcalloc() for no SCM device bound

 drivers/firmware/qcom/qcom_scm-smc.c | 28 ++++++++++++++++++++++++----
 drivers/firmware/qcom/qcom_scm.c     |  2 +-
 2 files changed, 25 insertions(+), 5 deletions(-)
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base-commit: 6708132e80a2ced620bde9b9c36e426183544a23
change-id: 20240909-tzmem-null-ptr-2a9ddd9889aa

Best regards,