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authorWenwen Wang <wenwen@cs.uga.edu>2019-08-17 02:27:46 -0300
committerMauro Carvalho Chehab <mchehab+samsung@kernel.org>2019-08-26 10:40:01 -0300
commit1c770f0f52dca1a2323c594f01f5ec6f1dddc97f (patch)
treea38ac3df1c5557a37df11481638b6a8d26873712
parenta8ef0488cc592921a917362cca66af4a601987b9 (diff)
media: cpia2_usb: fix memory leaks
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 <wenwen@cs.uga.edu> Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
-rw-r--r--drivers/media/usb/cpia2/cpia2_usb.c4
1 files changed, 4 insertions, 0 deletions
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;
}