linux-kernel - [PATCH 1/4] uml: cow_user.c warning corrections

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Date:	Tue, 05 Jul 2011 02:15:41 +0300
From:	Vitaliy Ivanov <vitalivanov@...il.com>
To:	Jeff Dike <jdike@...toit.com>, Richard Weinberger <richard@....at>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	"akpm@...ux-foundation.org" <akpm@...ux-foundation.org>
Cc:	user-mode-linux-devel@...ts.sourceforge.net,
	lkml <linux-kernel@...r.kernel.org>
Subject: [PATCH 1/4] uml: cow_user.c warning corrections

>From 6201d3e862fca8670b206338dc90303ea0acc77d Mon Sep 17 00:00:00 2001
From: Vitaliy Ivanov <vitalivanov@...il.com>
Date: Tue, 5 Jul 2011 01:57:51 +0300
Subject: [PATCH 1/4] uml: cow_user.c warning corrections
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

arch/um/drivers/cow_user.c: In function ‘absolutize’:
arch/um/drivers/cow_user.c:189:7: warning: ignoring return value of ‘chdir’, declared with attribute warn_unused_result

Signed-off-by: Vitaliy Ivanov <vitalivanov@...il.com>
---
 arch/um/drivers/cow_user.c |    6 +++++-
 1 files changed, 5 insertions(+), 1 deletions(-)

diff --git a/arch/um/drivers/cow_user.c b/arch/um/drivers/cow_user.c
index 93f227a..9cbb426 100644
--- a/arch/um/drivers/cow_user.c
+++ b/arch/um/drivers/cow_user.c
@@ -186,7 +186,11 @@ static int absolutize(char *to, int size, char *from)
 		strcat(to, "/");
 		strcat(to, from);
 	}
-	chdir(save_cwd);
+	if (chdir(save_cwd)) {
+		cow_printf("absolutize : Can't cd to '%s' - "
+			   "errno = %d\n", save_cwd, errno);
+		return -1;
+	}
 	return 0;
 }
 
-- 
1.7.4.1



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