lkml.org 
[lkml]   [2019]   [Mar]   [18]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH] pinctrl: berlin: as370: Fix to avoid NULL pointer dereference
Date
of_match_device in as370_pinctrl_probe can return a NULL value
when the matching device is not found. The patch avoids a potential
dereference in such scenario.

Signed-off-by: Aditya Pakki <pakki001@umn.edu>
---
drivers/pinctrl/berlin/pinctrl-as370.c | 2 ++
1 file changed, 2 insertions(+)

diff --git a/drivers/pinctrl/berlin/pinctrl-as370.c b/drivers/pinctrl/berlin/pinctrl-as370.c
index 44f8ccdbeeff..78bb5b866c99 100644
--- a/drivers/pinctrl/berlin/pinctrl-as370.c
+++ b/drivers/pinctrl/berlin/pinctrl-as370.c
@@ -337,6 +337,8 @@ static int as370_pinctrl_probe(struct platform_device *pdev)
struct resource *res;
void __iomem *base;

+ if (!match)
+ return -ENODEV;
rmconfig = devm_kzalloc(&pdev->dev, sizeof(*rmconfig), GFP_KERNEL);
if (!rmconfig)
return -ENOMEM;
--
2.17.1
\
 
 \ /
  Last update: 2019-03-19 00:38    [W:0.037 / U:0.464 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site