From: Sudip Mukherjee <sudipm.mukherjee@gmail.com>
Date: Mon, 9 Mar 2015 14:38:24 +0000 (+0530)
Subject: staging: panel: return register value
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=e134201b7a27eaf1ce3affe39ea6f30a1a747186;p=openwrt%2Fstaging%2Fblogic.git

staging: panel: return register value

we were returning success even if the module failed to register.
now we are returning the actual return value, success or error.

Signed-off-by: Sudip Mukherjee <sudip@vectorindia.org>
Acked-by: Willy Tarreau <w@1wt.eu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/staging/panel/panel.c b/drivers/staging/panel/panel.c
index ac147253cc54..ee26413cea47 100644
--- a/drivers/staging/panel/panel.c
+++ b/drivers/staging/panel/panel.c
@@ -2282,7 +2282,7 @@ static struct parport_driver panel_driver = {
 /* init function */
 static int __init panel_init_module(void)
 {
-	int selected_keypad_type = NOT_SET;
+	int selected_keypad_type = NOT_SET, err;
 
 	/* take care of an eventual profile */
 	switch (profile) {
@@ -2388,9 +2388,10 @@ static int __init panel_init_module(void)
 		return -ENODEV;
 	}
 
-	if (parport_register_driver(&panel_driver)) {
+	err = parport_register_driver(&panel_driver);
+	if (err) {
 		pr_err("could not register with parport. Aborting.\n");
-		return -EIO;
+		return err;
 	}
 
 	if (pprt)