From a584ef09aad69bac103fd67c86548cf2be573685 Mon Sep 17 00:00:00 2001
From: Gregory Nutt <gnutt@nuttx.org>
Date: Mon, 9 Nov 2015 13:33:37 -0600
Subject: [PATCH] examplex/media:  Need to seek back to beginning of file on
 second pass

---
 examples/media/media_main.c | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/examples/media/media_main.c b/examples/media/media_main.c
index c7d281da0..812684320 100644
--- a/examples/media/media_main.c
+++ b/examples/media/media_main.c
@@ -301,6 +301,21 @@ int media_main(int argc, char *argv[])
       info.nblocks = blockno;
     }
 
+  /* Seek to the beginnin of the file */
+
+  seekpos = lseek(fd, 0, SEEK_SET);
+  if (seekpos == (off_t)-1)
+    {
+      int errcode = errno;
+
+      fprintf(stderr, "ERROR: lseek to 0 failed: %d\n", errcode);
+    }
+  else if (seekpos != 0)
+    {
+      fprintf(stderr, "ERROR: lseek to 0 failed: %lu\n",
+              (unsigned)seekpos);
+    }
+
   /* Re-read and verify each sector */
 
   value = START_VALUE;