linux-kernel - [PATCH] pstore/ram: fix error return code in ramoops

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Date:	Tue, 7 May 2013 19:39:20 +0800
From:	Wei Yongjun <weiyj.lk@...il.com>
To:	cbouatmailru@...il.com, ccross@...roid.com, keescook@...omium.org,
	tony.luck@...el.com
Cc:	yongjun_wei@...ndmicro.com.cn, linux-kernel@...r.kernel.org
Subject: [PATCH] pstore/ram: fix error return code in ramoops_probe()

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

Fix to return a negative error code from the error handling
case instead of 0, as done elsewhere in this function.

Signed-off-by: Wei Yongjun <yongjun_wei@...ndmicro.com.cn>
---
 fs/pstore/ram.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/fs/pstore/ram.c b/fs/pstore/ram.c
index 32cbd7c..1376e5a 100644
--- a/fs/pstore/ram.c
+++ b/fs/pstore/ram.c
@@ -438,6 +438,7 @@ static int ramoops_probe(struct platform_device *pdev)
 		pr_err("memory size too small, minimum is %zu\n",
 			cxt->console_size + cxt->record_size +
 			cxt->ftrace_size);
+		err = -EINVAL;
 		goto fail_cnt;
 	}
 
@@ -455,6 +456,7 @@ static int ramoops_probe(struct platform_device *pdev)
 	spin_lock_init(&cxt->pstore.buf_lock);
 	if (!cxt->pstore.buf) {
 		pr_err("cannot allocate pstore buffer\n");
+		err = -ENOMEM;
 		goto fail_clear;
 	}
 

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