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| author | Miklos Szeredi <miklos@szeredi.hu> | 2005-09-06 15:18:26 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2005-09-07 16:57:44 -0700 |
| commit | e08fc0457af28f2ebec36296ea7ada6024fde81b (patch) | |
| tree | 6107256ebc07539e63b1fe091f834660f09c7625 /fs/cifs | |
| parent | e922efc342d565a38eed3af377ff403f52148864 (diff) | |
| download | linux-3.10-e08fc0457af28f2ebec36296ea7ada6024fde81b.tar.gz linux-3.10-e08fc0457af28f2ebec36296ea7ada6024fde81b.tar.bz2 linux-3.10-e08fc0457af28f2ebec36296ea7ada6024fde81b.zip | |
[PATCH] cifs_create() fix
cifs_create() did totally the wrong thing with nd->intent.open.flags:
it interpreted nd->intent.open.flags as the original open flags, not
the one transformed for open_namei(). Also it used the intent data
even if it was not filled in (if called from sys_mknod()).
Signed-off-by: Miklos Szeredi <miklos@szeredi.hu>
Cc: <viro@parcelfarce.linux.theplanet.co.uk>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Steven French <sfrench@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'fs/cifs')
| -rw-r--r-- | fs/cifs/dir.c | 27 |
1 files changed, 13 insertions, 14 deletions
diff --git a/fs/cifs/dir.c b/fs/cifs/dir.c index 3f3538d4a1f..d335269bd91 100644 --- a/fs/cifs/dir.c +++ b/fs/cifs/dir.c @@ -145,24 +145,23 @@ cifs_create(struct inode *inode, struct dentry *direntry, int mode, return -ENOMEM; } - if(nd) { - if ((nd->intent.open.flags & O_ACCMODE) == O_RDONLY) - desiredAccess = GENERIC_READ; - else if ((nd->intent.open.flags & O_ACCMODE) == O_WRONLY) { - desiredAccess = GENERIC_WRITE; - write_only = TRUE; - } else if ((nd->intent.open.flags & O_ACCMODE) == O_RDWR) { - /* GENERIC_ALL is too much permission to request */ - /* can cause unnecessary access denied on create */ - /* desiredAccess = GENERIC_ALL; */ - desiredAccess = GENERIC_READ | GENERIC_WRITE; + if(nd && (nd->flags & LOOKUP_OPEN)) { + int oflags = nd->intent.open.flags; + + desiredAccess = 0; + if (oflags & FMODE_READ) + desiredAccess |= GENERIC_READ; + if (oflags & FMODE_WRITE) { + desiredAccess |= GENERIC_WRITE; + if (!(oflags & FMODE_READ)) + write_only = TRUE; } - if((nd->intent.open.flags & (O_CREAT | O_EXCL)) == (O_CREAT | O_EXCL)) + if((oflags & (O_CREAT | O_EXCL)) == (O_CREAT | O_EXCL)) disposition = FILE_CREATE; - else if((nd->intent.open.flags & (O_CREAT | O_TRUNC)) == (O_CREAT | O_TRUNC)) + else if((oflags & (O_CREAT | O_TRUNC)) == (O_CREAT | O_TRUNC)) disposition = FILE_OVERWRITE_IF; - else if((nd->intent.open.flags & O_CREAT) == O_CREAT) + else if((oflags & O_CREAT) == O_CREAT) disposition = FILE_OPEN_IF; else { cFYI(1,("Create flag not set in create function")); |