linux-kernel - [PATCH 04/10] staging/xgifb: Fix return of uninitialized variable

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Date:	Sun,  3 Feb 2013 22:54:33 +0100
From:	Peter Huewe <peterhuewe@....de>
To:	Arnaud Patard <arnaud.patard@...-net.org>
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Miguel Gómez <magomez@...lia.com>,
	Aaro Koskinen <aaro.koskinen@....fi>,
	Peter Huewe <peterhuewe@....de>,
	Sam Hansen <solid.se7en@...il.com>, devel@...verdev.osuosl.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH 04/10] staging/xgifb: Fix return of uninitialized variable

Clang warning:
drivers/staging/xgifb/XGI_main_26.c: warning: variable 'ret' is
used uninitialized whenever 'if' condition:
	if (xgifb_info->mode_idx < 0) {
evaluates to true.

drivers/staging/xgifb/XGI_main_26.c:
note: uninitialized use occurs here
	return ret;

This patch initializes the variable in this case.

Signed-off-by: Peter Huewe <peterhuewe@....de>
---
 drivers/staging/xgifb/XGI_main_26.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/drivers/staging/xgifb/XGI_main_26.c b/drivers/staging/xgifb/XGI_main_26.c
index fa351f9..106abc8 100644
--- a/drivers/staging/xgifb/XGI_main_26.c
+++ b/drivers/staging/xgifb/XGI_main_26.c
@@ -1921,6 +1921,7 @@ static int xgifb_probe(struct pci_dev *pdev,
 
 	if (xgifb_info->mode_idx < 0) {
 		dev_err(&pdev->dev, "No supported video mode found\n");
+		ret = -EINVAL;
 		goto error_1;
 	}
 
-- 
1.7.8.6

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