Messages in this thread | | | From | Chanwoo Choi <> | Date | Fri, 1 Jul 2022 22:33:59 +0900 | Subject | Re: [PATCH] PM / devfreq: fix exynos-bus NULL pointer dereference |
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Hi Christian,
Please change the patch title as following and resend it. - PM / devfreq: exynos-bus: Fix NULL pointer dereference
I'll ask the next version to be merged directly into linux-pm.git.
Acked-by: Chanwoo Choi <cw00.choi@samsung.com>
On Fri, Jul 1, 2022 at 9:08 PM Christian Marangi <ansuelsmth@gmail.com> wrote: > > 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 <m.szyprowski@samsung.com> > Tested-by: Marek Szyprowski <m.szyprowski@samsung.com> > Fixes: b5d281f6c16d ("PM / devfreq: Rework freq_table to be local to devfreq struct") > Cc: stable@vger.kernel.org > Signed-off-by: Christian Marangi <ansuelsmth@gmail.com> > --- > drivers/devfreq/exynos-bus.c | 6 +++--- > 1 file changed, 3 insertions(+), 3 deletions(-) > > diff --git a/drivers/devfreq/exynos-bus.c b/drivers/devfreq/exynos-bus.c > index b5615e667e31..79725bbb4bb0 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); > > -- > 2.36.1 >
-- Best Regards, Chanwoo Choi
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