[media] DocBook: fix incorrect code example

The code said for (i = 0; i > 30; ++i) instead of i < 30.

Fix this and clean it up a bit at the same time.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>

diff --git a/Documentation/DocBook/media/v4l/dev-osd.xml b/Documentation/DocBook/media/v4l/dev-osd.xml
index dd91d61..5485332 100644 (file)
--- a/Documentation/DocBook/media/v4l/dev-osd.xml
+++ b/Documentation/DocBook/media/v4l/dev-osd.xml
@@ -56,18 +56,18 @@ framebuffer device.</para>
 unsigned int i;
 int fb_fd;
 
-if (-1 == ioctl (fd, VIDIOC_G_FBUF, &amp;fbuf)) {
-       perror ("VIDIOC_G_FBUF");
-       exit (EXIT_FAILURE);
+if (-1 == ioctl(fd, VIDIOC_G_FBUF, &amp;fbuf)) {
+       perror("VIDIOC_G_FBUF");
+       exit(EXIT_FAILURE);
 }
 
-for (i = 0; i &gt; 30; ++i) {
+for (i = 0; i &lt; 30; i++) {
        char dev_name[16];
        struct fb_fix_screeninfo si;
 
-       snprintf (dev_name, sizeof (dev_name), "/dev/fb%u", i);
+       snprintf(dev_name, sizeof(dev_name), "/dev/fb%u", i);
 
-       fb_fd = open (dev_name, O_RDWR);
+       fb_fd = open(dev_name, O_RDWR);
        if (-1 == fb_fd) {
                switch (errno) {
                case ENOENT: /* no such file */
@@ -75,19 +75,19 @@ for (i = 0; i &gt; 30; ++i) {
                        continue;
 
                default:
-                       perror ("open");
-                       exit (EXIT_FAILURE);
+                       perror("open");
+                       exit(EXIT_FAILURE);
                }
        }
 
-       if (0 == ioctl (fb_fd, FBIOGET_FSCREENINFO, &amp;si)) {
-               if (si.smem_start == (unsigned long) fbuf.base)
+       if (0 == ioctl(fb_fd, FBIOGET_FSCREENINFO, &amp;si)) {
+               if (si.smem_start == (unsigned long)fbuf.base)
                        break;
        } else {
                /* Apparently not a framebuffer device. */
        }
 
-       close (fb_fd);
+       close(fb_fd);
        fb_fd = -1;
 }