Staging: dgnc: Fix checking return value of register_chrdev

The failure code is negative. So check <0 instead of <=0.
Return the failure code instead of -ENXIO.

Signed-off-by: Salah Triki <salah.triki@acm.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/dgnc/dgnc_driver.c b/drivers/staging/dgnc/dgnc_driver.c
index c1d1a97..fa1ee79 100644 (file)
--- a/drivers/staging/dgnc/dgnc_driver.c
+++ b/drivers/staging/dgnc/dgnc_driver.c
@@ -251,9 +251,9 @@ static int dgnc_start(void)
         * Register management/dpa devices
         */
        rc = register_chrdev(0, "dgnc", &dgnc_BoardFops);
-       if (rc <= 0) {
+       if (rc < 0) {
                pr_err(DRVSTR ": Can't register dgnc driver device (%d)\n", rc);
-               return -ENXIO;
+               return rc;
        }
        dgnc_Major = rc;