If the ATTR_KILL_S*ID bits are set then any mode change is only for
clearing the setuid/setgid bits. For CIFS, skip the mode change and
let the server handle it.

Signed-off-by: Jeff Layton <[EMAIL PROTECTED]>
---
 fs/cifs/inode.c |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)

diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c
index 66436f5..8fa3d63 100644
--- a/fs/cifs/inode.c
+++ b/fs/cifs/inode.c
@@ -1547,6 +1547,11 @@ int cifs_setattr(struct dentry *direntry, struct iattr 
*attrs)
        }
 
        time_buf.Attributes = 0;
+
+       /* skip mode change if it's just for clearing setuid/setgid */
+       if (attrs->ia_valid & (ATTR_KILL_SUID|ATTR_KILL_SGID))
+               attrs->ia_valid &= ~ATTR_MODE;
+
        if (attrs->ia_valid & ATTR_MODE) {
                cFYI(1, ("Mode changed to 0x%x", attrs->ia_mode));
                mode = attrs->ia_mode;
-- 
1.5.2.1

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