diff options
| author | Jeff Layton <jlayton@redhat.com> | 2007-10-18 10:05:21 (GMT) |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-10-18 21:37:22 (GMT) |
| commit | 188b95dd8ecb02dd6c6e5534cddc5a89aa4e2852 (patch) | |
| tree | 30c840426da519a2eabdb23d369e1c5bfb7b6d1c | |
| parent | 6de0ec00ba8db84d7c452e65e502989455ecb6ea (diff) | |
| download | linux-188b95dd8ecb02dd6c6e5534cddc5a89aa4e2852.tar.xz | |
NFS: if ATTR_KILL_S*ID bits are set, then skip mode change
If the ATTR_KILL_S*ID bits are set then any mode change is only for clearing
the setuid/setgid bits. For NFS, skip the mode change and let the server
handle it.
Signed-off-by: Jeff Layton <jlayton@redhat.com>
Cc: Trond Myklebust <trond.myklebust@fys.uio.no>
Cc: "J. Bruce Fields" <bfields@fieldses.org>
Cc: Christoph Hellwig <hch@lst.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| -rw-r--r-- | fs/nfs/inode.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c index 6c22453..6d2f2a3 100644 --- a/fs/nfs/inode.c +++ b/fs/nfs/inode.c @@ -357,6 +357,10 @@ nfs_setattr(struct dentry *dentry, struct iattr *attr) nfs_inc_stats(inode, NFSIOS_VFSSETATTR); + /* skip mode change if it's just for clearing setuid/setgid */ + if (attr->ia_valid & (ATTR_KILL_SUID | ATTR_KILL_SGID)) + attr->ia_valid &= ~ATTR_MODE; + if (attr->ia_valid & ATTR_SIZE) { if (!S_ISREG(inode->i_mode) || attr->ia_size == i_size_read(inode)) attr->ia_valid &= ~ATTR_SIZE; |