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Subject: media: cpia2_usb: fix memory leaks
Author: Wenwen Wang <wen...@cs.uga.edu>
Date: Sat Aug 17 02:27:46 2019 -0300
In submit_urbs(), 'cam->sbuf[i].data' is allocated through kmalloc_array().
However, it is not deallocated if the following allocation for urbs fails.
To fix this issue, free 'cam->sbuf[i].data' if usb_alloc_urb() fails.
Signed-off-by: Wenwen Wang <wen...@cs.uga.edu>
Signed-off-by: Hans Verkuil <hverkuil-ci...@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+sams...@kernel.org>
drivers/media/usb/cpia2/cpia2_usb.c | 4 ++++
1 file changed, 4 insertions(+)
---
diff --git a/drivers/media/usb/cpia2/cpia2_usb.c
b/drivers/media/usb/cpia2/cpia2_usb.c
index 17468f7d78ed..3ab80a7b4498 100644
--- a/drivers/media/usb/cpia2/cpia2_usb.c
+++ b/drivers/media/usb/cpia2/cpia2_usb.c
@@ -676,6 +676,10 @@ static int submit_urbs(struct camera_data *cam)
if (!urb) {
for (j = 0; j < i; j++)
usb_free_urb(cam->sbuf[j].urb);
+ for (j = 0; j < NUM_SBUF; j++) {
+ kfree(cam->sbuf[j].data);
+ cam->sbuf[j].data = NULL;
+ }
return -ENOMEM;
}
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