On Fri, 2 Dec 2022 10:45:30 -0800, Kees Cook wrote:
> With clang's kernel control flow integrity (kCFI, CONFIG_CFI_CLANG),
> indirect call targets are validated against the expected function
> pointer prototype to make sure the call target is valid to help mitigate
> ROP attacks. If they are not identical, there is a failure at run time,
> which manifests as either a kernel panic or thread getting killed.
>
> msc313_rtc_probe() was passing clk_disable_unprepare() directly, which
> did not have matching prototypes for devm_add_action_or_reset()'s
> callback argument. Refactor to use devm_clk_get_enabled() instead.
>
> [...]
Applied, thanks!
[1/1] rtc: msc313: Fix function prototype mismatch in msc313_rtc_probe()
commit: 21b8a1dd56a163825e5749b303858fb902ebf198
Best regards,
--
Alexandre Belloni, co-owner and COO, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com
