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andyross avatar andyross commented on May 28, 2024

This came up via discord. Indeed, this looks like a mixed up unlock call to me, maybe a leftover of a previous variant. It's likely benign as the function will fail with an -EINVAL on the misatched unlock, though it does open the possibility of hijinx if it's possible to fool the subsystem into incorrectly releasing a correctly-held lock.

Relevant stray unlock is here: https://github.com/zephyrproject-rtos/zephyr/blob/main/subsys/sd/sd_ops.c#L538

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