linux-kernel - [PATCH] gdrom: fix error return code in probe

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Date:	Mon, 13 May 2013 12:34:22 +0800
From:	Wei Yongjun <weiyj.lk@...il.com>
To:	gregkh@...uxfoundation.org, tj@...nel.org, viro@...iv.linux.org.uk
Cc:	yongjun_wei@...ndmicro.com.cn, linux-kernel@...r.kernel.org
Subject: [PATCH] gdrom: fix error return code in probe_gdrom()

From: Wei Yongjun <yongjun_wei@...ndmicro.com.cn>

Fix to return -ENOMEM in the memory alloc error handling
case instead of 0, as done elsewhere in this function.

Signed-off-by: Wei Yongjun <yongjun_wei@...ndmicro.com.cn>
---
 drivers/cdrom/gdrom.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/drivers/cdrom/gdrom.c b/drivers/cdrom/gdrom.c
index 4afcb65..6cbcbe2 100644
--- a/drivers/cdrom/gdrom.c
+++ b/drivers/cdrom/gdrom.c
@@ -807,16 +807,20 @@ static int probe_gdrom(struct platform_device *devptr)
 	if (err)
 		goto probe_fail_cmdirq_register;
 	gd.gdrom_rq = blk_init_queue(gdrom_request, &gdrom_lock);
-	if (!gd.gdrom_rq)
+	if (!gd.gdrom_rq) {
+		err = -ENOMEM;
 		goto probe_fail_requestq;
+	}
 
 	err = probe_gdrom_setupqueue();
 	if (err)
 		goto probe_fail_toc;
 
 	gd.toc = kzalloc(sizeof(struct gdromtoc), GFP_KERNEL);
-	if (!gd.toc)
+	if (!gd.toc) {
+		err = -ENOMEM;
 		goto probe_fail_toc;
+	}
 	add_disk(gd.disk);
 	return 0;
 

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