linux-kernel - [PATCH 2/2] hfsplus: add printk to log allocation failure in hfs_find

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Message-Id: <1365369695-8340-2-git-send-email-khoroshilov@ispras.ru>
Date:	Mon,  8 Apr 2013 01:21:35 +0400
From:	Alexey Khoroshilov <khoroshilov@...ras.ru>
To:	Vyacheslav Dubeyko <slava@...eyko.com>,
	Hin-Tak Leung <htl10@...rs.sourceforge.net>
Cc:	Alexey Khoroshilov <khoroshilov@...ras.ru>,
	Al Viro <viro@...iv.linux.org.uk>,
	Artem Bityutskiy <artem.bityutskiy@...ux.intel.com>,
	Christoph Hellwig <hch@....de>, linux-fsdevel@...r.kernel.org,
	linux-kernel@...r.kernel.org, ldv-project@...uxtesting.org
Subject: [PATCH 2/2] hfsplus: add printk to log allocation failure in hfs_find_init()

Add printk to log allocation failure in hfs_find_init(),
"so that there is a sign in dmesg when the error condition is triggered".
(per Hin-Tak Leung request)

Signed-off-by: Alexey Khoroshilov <khoroshilov@...ras.ru>
---
 fs/hfsplus/bfind.c |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/fs/hfsplus/bfind.c b/fs/hfsplus/bfind.c
index d73c98d..067ddb5 100644
--- a/fs/hfsplus/bfind.c
+++ b/fs/hfsplus/bfind.c
@@ -18,8 +18,10 @@ int hfs_find_init(struct hfs_btree *tree, struct hfs_find_data *fd)
 	fd->tree = tree;
 	fd->bnode = NULL;
 	ptr = kmalloc(tree->max_key_len * 2 + 4, GFP_KERNEL);
-	if (!ptr)
+	if (!ptr) {
+		printk(KERN_ERR "hfs: allocation failed in hfs_find_init()\n");
 		return -ENOMEM;
+	}
 	fd->search_key = ptr;
 	fd->key = ptr + tree->max_key_len + 2;
 	dprint(DBG_BNODE_REFS, "find_init: %d (%p)\n",
-- 
1.7.9.5

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