[PATCH AUTOSEL 4.14 08/37] auxdisplay: hd44780: Fix memory leak on ->remove()
From: Sasha Levin
Date: Fri Mar 29 2019 - 20:55:01 EST
From: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
[ Upstream commit 41c8d0adf3c4df1867d98cee4a2c4531352a33ad ]
We have to free on ->remove() the allocated resources on ->probe().
Fixes: d47d88361fee ("auxdisplay: Add HD44780 Character LCD support")
Reviewed-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
Signed-off-by: Miguel Ojeda <miguel.ojeda.sandonis@xxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
drivers/auxdisplay/hd44780.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/auxdisplay/hd44780.c b/drivers/auxdisplay/hd44780.c
index 036eec404289..2d927feb3db4 100644
--- a/drivers/auxdisplay/hd44780.c
+++ b/drivers/auxdisplay/hd44780.c
@@ -302,6 +302,8 @@ static int hd44780_remove(struct platform_device *pdev)
struct charlcd *lcd = platform_get_drvdata(pdev);
charlcd_unregister(lcd);
+
+ kfree(lcd);
return 0;
}
--
2.19.1