From: Dan Carpenter <error27@gmail.com> To: Chris Mason <chris.mason@oracle.com> Cc: Yan Zheng <zheng.yan@oracle.com>, Josef Bacik <josef@redhat.com>, Sage Weil <sage@newdream.net>, Al Viro <viro@zeniv.linux.org.uk>, linux-btrfs@vger.kernel.org, linux-kernel@vger.kernel.org, kernel-janitors@vger.kernel.org Subject: [patch 1/3] btrfs: checking for NULL instead of IS_ERR() Date: Sat, 20 Mar 2010 14:22:10 +0300 [thread overview] Message-ID: <20100320112210.GV5331@bicker> (raw) btrfs_get_extent() never returns NULL, only a valid pointer or ERR_PTR() Signed-off-by: Dan Carpenter <error27@gmail.com> diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c index 2845c6c..15f661d 100644 --- a/fs/btrfs/ioctl.c +++ b/fs/btrfs/ioctl.c @@ -511,7 +511,7 @@ static int should_defrag_range(struct inode *inode, u64 start, u64 len, em = btrfs_get_extent(inode, NULL, 0, start, len, 0); unlock_extent(io_tree, start, start + len - 1, GFP_NOFS); - if (!em) + if (IS_ERR(em)) return 0; }
WARNING: multiple messages have this Message-ID (diff)
From: Dan Carpenter <error27@gmail.com> To: Chris Mason <chris.mason@oracle.com> Cc: Yan Zheng <zheng.yan@oracle.com>, Josef Bacik <josef@redhat.com>, Sage Weil <sage@newdream.net>, Al Viro <viro@zeniv.linux.org.uk>, linux-btrfs@vger.kernel.org, linux-kernel@vger.kernel.org, kernel-janitors@vger.kernel.org Subject: [patch 1/3] btrfs: checking for NULL instead of IS_ERR() Date: Sat, 20 Mar 2010 11:22:10 +0000 [thread overview] Message-ID: <20100320112210.GV5331@bicker> (raw) btrfs_get_extent() never returns NULL, only a valid pointer or ERR_PTR() Signed-off-by: Dan Carpenter <error27@gmail.com> diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c index 2845c6c..15f661d 100644 --- a/fs/btrfs/ioctl.c +++ b/fs/btrfs/ioctl.c @@ -511,7 +511,7 @@ static int should_defrag_range(struct inode *inode, u64 start, u64 len, em = btrfs_get_extent(inode, NULL, 0, start, len, 0); unlock_extent(io_tree, start, start + len - 1, GFP_NOFS); - if (!em) + if (IS_ERR(em)) return 0; }
next reply other threads:[~2010-03-20 11:22 UTC|newest] Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top 2010-03-20 11:22 Dan Carpenter [this message] 2010-03-20 11:22 ` [patch 1/3] btrfs: checking for NULL instead of IS_ERR() Dan Carpenter
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