tree 6107256ebc07539e63b1fe091f834660f09c7625
parent e922efc342d565a38eed3af377ff403f52148864
author Miklos Szeredi <[EMAIL PROTECTED]> Wed, 07 Sep 2005 05:18:26 -0700
committer Linus Torvalds <[EMAIL PROTECTED]> Thu, 08 Sep 2005 06:57:44 -0700

[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 <[EMAIL PROTECTED]>
Cc: <[EMAIL PROTECTED]>
Cc: Christoph Hellwig <[EMAIL PROTECTED]>
Cc: Steven French <[EMAIL PROTECTED]>
Signed-off-by: Andrew Morton <[EMAIL PROTECTED]>
Signed-off-by: Linus Torvalds <[EMAIL PROTECTED]>

 fs/cifs/dir.c |   27 +++++++++++++--------------
 1 files changed, 13 insertions(+), 14 deletions(-)

diff --git a/fs/cifs/dir.c b/fs/cifs/dir.c
--- a/fs/cifs/dir.c
+++ b/fs/cifs/dir.c
@@ -145,24 +145,23 @@ cifs_create(struct inode *inode, struct 
                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"));
-
To unsubscribe from this list: send the line "unsubscribe git-commits-head" in
the body of a message to [EMAIL PROTECTED]
More majordomo info at  http://vger.kernel.org/majordomo-info.html

Reply via email to