[PATCH v2] coresight: trbe: Return NULL pointer for allocation failures

Suzuki K Poulose suzuki.poulose at arm.com
Fri Sep 5 05:26:30 PDT 2025


On Thu, 04 Sep 2025 15:13:52 +0100, Leo Yan wrote:
> When the TRBE driver fails to allocate a buffer, it currently returns
> the error code "-ENOMEM". However, the caller etm_setup_aux() only
> checks for a NULL pointer, so it misses the error. As a result, the
> driver continues and eventually causes a kernel panic.
> 
> Fix this by returning a NULL pointer from arm_trbe_alloc_buffer() on
> allocation failures. This allows that the callers can properly handle
> the failure.
> 
> [...]

Applied, thanks!

[1/1] coresight: trbe: Return NULL pointer for allocation failures
      https://git.kernel.org/coresight/c/811e07b1812a

Best regards,
-- 
Suzuki K Poulose <suzuki.poulose at arm.com>



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