From: Miklos Szeredi <mszeredi@suse.cz>
Date: Wed, 23 May 2007 20:57:32 +0000 (-0700)
Subject: fuse: fix mknod of regular file
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=b9ba347f27f2508e3da023688d047e111cbbe2da;p=GitHub%2FLineageOS%2Fandroid_kernel_samsung_universal7580.git

fuse: fix mknod of regular file

The wrong lookup flag was tested in ->create() causing havoc (error or
Oops) when a regular file was created with mknod() in a fuse filesystem.

Thanks to J. Cameijo Cerdeira for the report.

Kernels 2.6.18 onward are affected.  Please apply to -stable as well.

Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

diff --git a/fs/fuse/dir.c b/fs/fuse/dir.c
index 8890eba1db5..bd5a772d8cc 100644
--- a/fs/fuse/dir.c
+++ b/fs/fuse/dir.c
@@ -485,7 +485,7 @@ static int fuse_mknod(struct inode *dir, struct dentry *entry, int mode,
 static int fuse_create(struct inode *dir, struct dentry *entry, int mode,
 		       struct nameidata *nd)
 {
-	if (nd && (nd->flags & LOOKUP_CREATE)) {
+	if (nd && (nd->flags & LOOKUP_OPEN)) {
 		int err = fuse_create_open(dir, entry, mode, nd);
 		if (err != -ENOSYS)
 			return err;