From: Nicholas Krause <xerofoify@gmail.com>
To: joern@logfs.org
Cc: prasadjoshi.linux@gmail.com, logfs@logfs.org,
linux-kernel@vger.kernel.org
Subject: [PATCH] Check for Null return from logfs_readpage_nolock in btree_write_block
Date: Mon, 16 Jun 2014 15:47:01 -0400 [thread overview]
Message-ID: <1402948021-8797-1-git-send-email-xerofoify@gmail.com> (raw)
Signed-off-by: Nicholas Krause <xerofoify@gmail.com>
---
fs/logfs/readwrite.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/fs/logfs/readwrite.c b/fs/logfs/readwrite.c
index 4814031..adb9233 100644
--- a/fs/logfs/readwrite.c
+++ b/fs/logfs/readwrite.c
@@ -2210,6 +2210,8 @@ void btree_write_block(struct logfs_block *block)
page = logfs_get_write_page(inode, block->bix, block->level);
err = logfs_readpage_nolock(page);
+ if (!err)
+ return -ENOMEM;
BUG_ON(err);
BUG_ON(!PagePrivate(page));
BUG_ON(logfs_block(page) != block);
--
1.9.1
next reply other threads:[~2014-06-16 19:47 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-06-16 19:47 Nicholas Krause [this message]
2014-06-16 20:06 ` Mateusz Guzik
[not found] ` <CAPDOMVgDUgfr9oqGmQ2a6u9Jm0eyBP=RP8EbCuHmnu-MRb+=+w@mail.gmail.com>
2014-06-17 1:20 ` Jörn Engel
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