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ddc10938e0
switchtec_dev_read() didn't handle copy_to_user() errors correctly: it
assigned "rc = -EFAULT", but actually returned either "size", -ENXIO, or
-EBADMSG instead.
Update the failure cases to unlock mrpc_mutex and return -EFAULT directly.
Link: https://lore.kernel.org/r/20221216162126.207863-3-helgaas@kernel.org
Fixes:
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.. | ||
Kconfig | ||
Makefile | ||
switchtec.c |