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| author | Michael Grzeschik <m.grzeschik@pengutronix.de> | 2022-04-03 01:27:43 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-04-21 18:15:33 +0200 |
| commit | 9b969f93bcef9b3d9e92f1810e22bbd6c344a0e5 (patch) | |
| tree | d1c7ac5ef3211fde1a40221837a75acdd87248a9 /drivers/usb/gadget/function/uvc.h | |
| parent | usb: gadget: uvc: rework uvcg_queue_next_buffer to uvcg_complete_buffer (diff) | |
| download | linux-9b969f93bcef9b3d9e92f1810e22bbd6c344a0e5.tar.xz linux-9b969f93bcef9b3d9e92f1810e22bbd6c344a0e5.zip | |
usb: gadget: uvc: giveback vb2 buffer on req complete
On uvc_video_encode_isoc_sg the mapped vb2 buffer is returned
to early. Only after the last usb_request worked with the buffer
it is allowed to give it back to vb2. This patch fixes that.
Signed-off-by: Michael Grzeschik <m.grzeschik@pengutronix.de>
Link: https://lore.kernel.org/r/20220402232744.3622565-3-m.grzeschik@pengutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/gadget/function/uvc.h')
| -rw-r--r-- | drivers/usb/gadget/function/uvc.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/usb/gadget/function/uvc.h b/drivers/usb/gadget/function/uvc.h index c3607a32b986..9eec104b3666 100644 --- a/drivers/usb/gadget/function/uvc.h +++ b/drivers/usb/gadget/function/uvc.h @@ -79,6 +79,7 @@ struct uvc_request { struct uvc_video *video; struct sg_table sgt; u8 header[UVCG_REQUEST_HEADER_LEN]; + struct uvc_buffer *last_buf; }; struct uvc_video { |