v4l2gl/v4l2grab: fix errno assignment in while loop

Signed-off-by: Andreas Weber <andy.weber.aw@gmail.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>

diff --git a/contrib/test/v4l2gl.c b/contrib/test/v4l2gl.c
index e921212..4b549c1 100644 (file)
--- a/contrib/test/v4l2gl.c
+++ b/contrib/test/v4l2gl.c
@@ -224,7 +224,7 @@ static int capture(char *dev_name, int x_res, int y_res, int n_frames,
                        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;

diff --git a/contrib/test/v4l2grab.c b/contrib/test/v4l2grab.c
index a93ad43..14d2a8f 100644 (file)
--- a/contrib/test/v4l2grab.c
+++ b/contrib/test/v4l2grab.c
@@ -129,7 +129,7 @@ static int capture(char *dev_name, int x_res, int y_res, int n_frames,
                        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;