linux-kernel - [patch] pstore: d_alloc_name() doesn't return an ERR

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Message-ID: <20130814115218.GC8044@elgon.mountain>
Date:	Wed, 14 Aug 2013 14:52:18 +0300
From:	Dan Carpenter <dan.carpenter@...cle.com>
To:	Anton Vorontsov <anton@...msg.org>
Cc:	Colin Cross <ccross@...roid.com>,
	Kees Cook <keescook@...omium.org>,
	Tony Luck <tony.luck@...el.com>, linux-kernel@...r.kernel.org,
	kernel-janitors@...r.kernel.org
Subject: [patch] pstore: d_alloc_name() doesn't return an ERR_PTR

d_alloc_name() returns NULL on error.  Also I changed the error code
from -ENOSPC to -ENOMEM to reflect that we were short on RAM not disk
space.

Signed-off-by: Dan Carpenter <dan.carpenter@...cle.com>

diff --git a/fs/pstore/inode.c b/fs/pstore/inode.c
index 71bf5f4..6a4123d 100644
--- a/fs/pstore/inode.c
+++ b/fs/pstore/inode.c
@@ -345,9 +345,8 @@ int pstore_mkfile(enum pstore_type_id type, char *psname, u64 id, int count,
 
 	mutex_lock(&root->d_inode->i_mutex);
 
-	rc = -ENOSPC;
 	dentry = d_alloc_name(root, name);
-	if (IS_ERR(dentry))
+	if (!dentry)
 		goto fail_lockedalloc;
 
 	memcpy(private->data, data, size);
--
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