From: "JieJing.Zhang" <kzjeef@gmail.com>
To: linux-btrfs@vger.kernel.org
Cc: "JieJing.Zhang" <kzjeef@gmail.com>
Subject: [PATCH] Btrfs: handle kmalloc() failure in btrfs_file_aio_write()
Date: Sun, 20 Jun 2010 02:13:14 +0800 [thread overview]
Message-ID: <1276971194-24572-1-git-send-email-kzjeef@gmail.com> (raw)
set errno to -ENOMEM and goto out
Signed-off-by: JieJing.Zhang <kzjeef@gmail.com>
---
fs/btrfs/file.c | 4 ++++
1 files changed, 4 insertions(+), 0 deletions(-)
diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c
index e354c33..e0fcb6c 100644
--- a/fs/btrfs/file.c
+++ b/fs/btrfs/file.c
@@ -926,6 +926,10 @@ static ssize_t btrfs_file_aio_write(struct kiocb *iocb,
PAGE_CACHE_SIZE, PAGE_CACHE_SIZE /
(sizeof(struct page *)));
pages = kmalloc(nrptrs * sizeof(struct page *), GFP_KERNEL);
+ if (!pages) {
+ ret = -ENOMEM;
+ goto out;
+ }
/* generic_write_checks can change our pos */
start_pos = pos;
--
1.7.0.4
next reply other threads:[~2010-06-19 18:13 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-06-19 18:13 JieJing.Zhang [this message]
2010-06-20 4:56 ` [PATCH] Btrfs: handle kmalloc() failure in btrfs_file_aio_write() Zhang JieJing
2010-07-03 17:35 ` Zhang JieJing
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