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| author |   Wenwen Wang <wenwen@cs.uga.edu> | 2019-08-17 02:27:46 -0300 |
|---|---|---|
| committer |   Mauro Carvalho Chehab <mchehab+samsung@kernel.org> | 2019-08-26 10:40:01 -0300 |
| commit | 1c770f0f52dca1a2323c594f01f5ec6f1dddc97f (patch) | |
| tree | a38ac3df1c5557a37df11481638b6a8d26873712 /drivers/media/usb | |
| parent | media: imx: add csc/scaler mem2mem device (diff) | |
| download | linux-dev-1c770f0f52dca1a2323c594f01f5ec6f1dddc97f.tar.xz linux-dev-1c770f0f52dca1a2323c594f01f5ec6f1dddc97f.zip | |
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>
Diffstat (limited to 'drivers/media/usb')
| -rw-r--r-- | drivers/media/usb/cpia2/cpia2_usb.c | 4 |
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; } |