[PATCH] media: usb: cx231xx-417: fix a memory leak bug
From: Wenwen Wang
Date: Sat Aug 17 2019 - 02:15:18 EST
In cx231xx_load_firmware(), 'p_buffer' is allocated through vmalloc() to
hold the firmware. However, after the usage, it is not deallocated, leading
to a memory leak bug.
Signed-off-by: Wenwen Wang <wenwen@xxxxxxxxxx>
---
drivers/media/usb/cx231xx/cx231xx-417.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/media/usb/cx231xx/cx231xx-417.c b/drivers/media/usb/cx231xx/cx231xx-417.c
index 2475f69..5e2e1fd 100644
--- a/drivers/media/usb/cx231xx/cx231xx-417.c
+++ b/drivers/media/usb/cx231xx/cx231xx-417.c
@@ -1051,6 +1051,7 @@ static int cx231xx_load_firmware(struct cx231xx *dev)
p_current_fw = p_fw;
vfree(p_current_fw);
p_current_fw = NULL;
+ vfree(p_buffer);
uninitGPIO(dev);
release_firmware(firmware);
dprintk(1, "Firmware upload successful.\n");
--
2.7.4