1 files changed, 1 insertions, 1 deletions

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("/sys/class/uio/uio0/device/config", O_RDWR);
-        if (uiofd < 0) {
+        if (configfd < 0) {
                 perror("config open:");
                 return errno;
         }