Commit 912e8078 authored Jun 15, 2021 by Hemant Kumar Committed by Gerrit - the friendly Code Review server Sep 06, 2021

mhi: core: Fix find_last_bit() usage



find_last_bit() relies on unsigned long pointer arguments. Driver
uses a type cast that generates the KASAN warning. Replace
find_last_bit() with __fls() to pass the value and avoid casting
pointer to make the warning go away.

Change-Id: I247e5c425ba0c44d04b518bd6d4f351f9c700b29
Signed-off-by: Hemant Kumar <hemantk@codeaurora.org>

parent 2303700e

drivers/bus/mhi/core/mhi_init.c

+5 −2

Original line number	Diff line number	Diff line
		@@ -75,9 +75,12 @@ struct mhi_bus mhi_bus;

		const char *to_mhi_pm_state_str(enum MHI_PM_STATE state)
		{
		int index = find_last_bit((unsigned long *)&state, 32);
		int index;

		if (index >= ARRAY_SIZE(mhi_pm_state_str))
		if (state)
		index = __fls(state);

		if (!state \|\| index >= ARRAY_SIZE(mhi_pm_state_str))
		return "Invalid State";

		return mhi_pm_state_str[index];