From: Salah Triki <salah.triki@acm.org>
Date: Thu, 5 Mar 2015 02:50:24 +0000 (+0100)
Subject: Staging: dgnc: Fix checking return value of register_chrdev
X-Git-Tag: v4.1-rc1~152^2~138^2~578
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=5f9dca1e7d5a5463f9e9cc4e1f5c8e9bc9d118a9;p=karo-tx-linux.git

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 c1d1a97e0c94..fa1ee79ef88e 100644
--- 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;