From: Stephen Hemminger <stephen@networkplumber.org>
Date: Wed, 16 Jan 2013 18:05:32 +0000 (-0800)
Subject: uio-howto: example bug
X-Git-Tag: firefly_0821_release~3680^2~1077^2~108
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=93ce83b6e0ffe8d48dae46bc0983dd3f01ec7e32;p=firefly-linux-kernel-4.4.55.git

uio-howto: example bug

Bug in demo program, checking wrong return value

Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Cc: "Hans J. Koch" <hjk@hansjkoch.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/Documentation/DocBook/uio-howto.tmpl b/Documentation/DocBook/uio-howto.tmpl
index ddb05e98af0d..95618159e29b 100644
--- a/Documentation/DocBook/uio-howto.tmpl
+++ b/Documentation/DocBook/uio-howto.tmpl
@@ -984,7 +984,7 @@ int main()
 		return errno;
 	}
 	configfd = open(&quot;/sys/class/uio/uio0/device/config&quot;, O_RDWR);
-	if (uiofd &lt; 0) {
+	if (configfd &lt; 0) {
 		perror(&quot;config open:&quot;);
 		return errno;
 	}