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 e689101..f7dcc44 100644 (file)
--- 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);