media: docs: v4l2grab.c.rst: change unintended assignment

Example should be comparing errno to EINTR instead of doing assignment.

Signed-off-by: Daniel Lundberg Pedersen <dlp@qtec.com>
Reviewed-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>

diff --git a/Documentation/userspace-api/media/v4l/v4l2grab.c.rst b/Documentation/userspace-api/media/v4l/v4l2grab.c.rst
index b38f661da7333bd6813cc9879718723c84c41c6e..1a55e3617ea83bb30f2abfab353c6ddd009666d8 100644 (file)
--- a/Documentation/userspace-api/media/v4l/v4l2grab.c.rst
+++ b/Documentation/userspace-api/media/v4l/v4l2grab.c.rst
@@ -134,7 +134,7 @@ file: media/v4l/v4l2grab.c
                            tv.tv_usec = 0;
 
                            r = select(fd + 1, &fds, NULL, NULL, &tv);
-                   } while ((r == -1 && (errno = EINTR)));
+                   } while ((r == -1 && (errno == EINTR)));
                    if (r == -1) {
                            perror("select");
                            return errno;