From: Christian Marangi Date: Fri, 1 Jul 2022 13:31:26 +0000 (+0200) Subject: PM / devfreq: exynos-bus: Fix NULL pointer dereference X-Git-Tag: v6.1-rc5~935^2~1^2 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=c8934e4e348915caac54085c01fd9d04fa16134a;p=platform%2Fkernel%2Flinux-starfive.git 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: Marek Szyprowski Tested-by: Marek Szyprowski Fixes: b5d281f6c16d ("PM / devfreq: Rework freq_table to be local to devfreq struct") Cc: stable@vger.kernel.org Signed-off-by: Christian Marangi Acked-by: Chanwoo Choi Signed-off-by: Chanwoo Choi --- diff --git a/drivers/devfreq/exynos-bus.c b/drivers/devfreq/exynos-bus.c index e689101..f7dcc44 100644 --- a/drivers/devfreq/exynos-bus.c +++ b/drivers/devfreq/exynos-bus.c @@ -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);