Commit c8934e4e authored by Christian Marangi's avatar Christian Marangi Committed by Chanwoo Choi
Browse files

PM / devfreq: exynos-bus: Fix NULL pointer dereference 



Fix exynos-bus NULL pointer dereference by correctly using the local
generated freq_table to output the debug values instead of using the
profile freq_table that is not used in the driver.

Reported-by: default avatarMarek Szyprowski <m.szyprowski@samsung.com>
Tested-by: default avatarMarek Szyprowski <m.szyprowski@samsung.com>
Fixes: b5d281f6 ("PM / devfreq: Rework freq_table to be local to devfreq struct")
Cc: stable@vger.kernel.org
Signed-off-by: default avatarChristian Marangi <ansuelsmth@gmail.com>
Acked-by: default avatarChanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: default avatarChanwoo Choi <cw00.choi@samsung.com>
parent 88084a3d

drivers/devfreq/exynos-bus.c

+3 −3
Original line number Diff line number Diff line
@@ -447,9 +447,9 @@ static int exynos_bus_probe(struct platform_device *pdev) 
		}

	}



	max_state = bus->devfreq->profile->max_state;

	min_freq = (bus->devfreq->profile->freq_table[0] / 1000);

	max_freq = (bus->devfreq->profile->freq_table[max_state - 1] / 1000);

	max_state = bus->devfreq->max_state;

	min_freq = (bus->devfreq->freq_table[0] / 1000);

	max_freq = (bus->devfreq->freq_table[max_state - 1] / 1000);

	pr_info("exynos-bus: new bus device registered: %s (%6ld KHz ~ %6ld KHz)\n",

			dev_name(dev), min_freq, max_freq);