From: <gregkh@linuxfoundation.org>
To: ansuelsmth@gmail.com, cw00.choi@samsung.com, m.szyprowski@samsung.com
Cc: <stable@vger.kernel.org>
Subject: FAILED: patch "[PATCH] PM / devfreq: exynos-bus: Fix NULL pointer dereference" failed to apply to 5.18-stable tree
Date: Sat, 09 Jul 2022 10:18:20 +0200 [thread overview]
Message-ID: <165735470099205@kroah.com> (raw)
The patch below does not apply to the 5.18-stable tree.
If someone wants it applied there, or to any other stable or longterm
tree, then please email the backport, including the original git commit
id to <stable@vger.kernel.org>.
thanks,
greg k-h
------------------ original commit in Linus's tree ------------------
From c8934e4e348915caac54085c01fd9d04fa16134a Mon Sep 17 00:00:00 2001
From: Christian Marangi <ansuelsmth@gmail.com>
Date: Fri, 1 Jul 2022 15:31:26 +0200
Subject: [PATCH] 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 <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>
Acked-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
diff --git a/drivers/devfreq/exynos-bus.c b/drivers/devfreq/exynos-bus.c
index e689101abc93..f7dcc44f9414 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);
reply other threads:[~2022-07-09 8:18 UTC|newest]
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