DivestOS/Patches/Linux_CVEs-New/CVE-2014-9940/ANY/0.patch
2017-10-29 14:23:02 -04:00

32 lines
956 B
Diff

From 60a2362f769cf549dc466134efe71c8bf9fbaaba Mon Sep 17 00:00:00 2001
From: Seung-Woo Kim <sw0312.kim@samsung.com>
Date: Thu, 4 Dec 2014 19:17:17 +0900
Subject: regulator: core: Fix regualtor_ena_gpio_free not to access pin after
freeing
After freeing pin from regulator_ena_gpio_free, loop can access
the pin. So this patch fixes not to access pin after freeing.
Signed-off-by: Seung-Woo Kim <sw0312.kim@samsung.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
---
drivers/regulator/core.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index df2af3a..47a455c 100644
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -1713,6 +1713,8 @@ static void regulator_ena_gpio_free(struct regulator_dev *rdev)
gpiod_put(pin->gpiod);
list_del(&pin->list);
kfree(pin);
+ rdev->ena_pin = NULL;
+ return;
} else {
pin->request_count--;
}
--
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