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From: Miklos Szeredi <miklos@szeredi.hu>
To: akpm@osdl.org
Cc: linux-kernel@vger.kernel.org
Subject: [PATCH] FUSE: nfsd directory fsync fix
Date: Sun, 24 Apr 2005 17:26:45 +0200	[thread overview]
Message-ID: <E1DPj0P-0000NC-00@localhost> (raw)

This patch fixes an Oops which happens when nfsd calls fsync on a
directory with a NULL file argument.  The solution is to just ignore
the fsync.  Thanks to David Shaw for the bugreport.

Signed-off-by: Miklos Szeredi <miklos@szeredi.hu>

diff -rup linux-2.6.12-rc2-mm3/fs/fuse/dir.c linux-fuse/fs/fuse/dir.c
--- linux-2.6.12-rc2-mm3/fs/fuse/dir.c	2005-04-22 15:49:29.000000000 +0200
+++ linux-fuse/fs/fuse/dir.c	2005-04-22 15:50:32.000000000 +0200
@@ -590,7 +590,8 @@ static int fuse_dir_release(struct inode
 
 static int fuse_dir_fsync(struct file *file, struct dentry *de, int datasync)
 {
-	return fuse_fsync_common(file, de, datasync, 1);
+	/* nfsd can call this with no file */
+	return file ? fuse_fsync_common(file, de, datasync, 1) : 0;
 }
 
 static unsigned iattr_to_fattr(struct iattr *iattr, struct fuse_attr *fattr)

                 reply	other threads:[~2005-04-24 15:27 UTC|newest]

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