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fuse: check create mode in atomic open 

Verify that the VFS is passing us a complete create mode with the S_IFREG to
atomic open.

Reported-by: Steve <steveamigauk@yahoo.co.uk>
Reported-by: Richard W.M. Jones <rjones@redhat.com>
Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
Tested-by: Richard W.M. Jones <rjones@redhat.com>
hifive-unleashed-5.1
Miklos Szeredi 2012-08-15 13:01:24 +02:00
parent 38227f78a5
commit af109bca94
1 changed files with 3 additions and 0 deletions
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3
fs/fuse/dir.c
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@ -383,6 +383,9 @@ static int fuse_create_open(struct inode *dir, struct dentry *entry,
struct fuse_entry_out outentry;
struct fuse_file *ff;
/* Userspace expects S_IFREG in create mode */
BUG_ON((mode & S_IFMT) != S_IFREG);
forget = fuse_alloc_forget();
err = -ENOMEM;
if (!forget)