From: Ram Gupta <ram.gupta5@gmail.com>
Date: Tue, 15 Aug 2006 06:05:29 +0000 (-0700)
Subject: [SERIAL] returning proper error from serial core driver
X-Git-Tag: v2.6.19-rc1~215^2~8
X-Git-Url: http://www.pilppa.org/gitweb/gitweb.cgi?a=commitdiff_plain;h=80e3c2b659515ef236f33f691ff5b22ae90ae8e4;p=linux-2.6-omap-h63xx.git

[SERIAL] returning proper error from serial core driver

Fix the issue of returning 0 even in case of error from uart_set_info
function.  Now it returns the error EBUSY when it can not set new port.

Signed-off-by: Ram Gupta <r.gupta@astronautics.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---

diff --git a/drivers/serial/serial_core.c b/drivers/serial/serial_core.c
index d7e28ab4c31..d814bb1dcb0 100644
--- a/drivers/serial/serial_core.c
+++ b/drivers/serial/serial_core.c
@@ -792,6 +792,7 @@ static int uart_set_info(struct uart_state *state,
 			 * We failed anyway.
 			 */
 			retval = -EBUSY;
+			goto exit;  // Added to return the correct error -Ram Gupta
 		}
 	}