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authorJeff Layton <jlayton@redhat.com>2007-10-18 03:05:22 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-10-18 14:37:22 -0700
commitd32c4f2626acc385d5187bd5c0c24f442328dc60 (patch)
treecd08c94dcf8610c2c2cfc96e5abe744163f3a038 /fs
parent188b95dd8ecb02dd6c6e5534cddc5a89aa4e2852 (diff)
CIFS: ignore mode change if it's just for clearing setuid/setgid bits
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 <jlayton@redhat.com> Cc: Steven French <sfrench@us.ibm.com> Cc: Christoph Hellwig <hch@lst.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs')
-rw-r--r--fs/cifs/inode.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c
index dd4167762a8..279f3c5e0ce 100644
--- a/fs/cifs/inode.c
+++ b/fs/cifs/inode.c
@@ -1538,6 +1538,11 @@ 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;