Commit a56f3937 authored Jun 30, 2006 by NeilBrown Committed by Linus Torvalds Jun 30, 2006

[PATCH] knfsd: improve the test for cross-device-rename in nfsd



Just testing the i_sb isn't really enough, at least the vfsmnt must be the
same.  Thanks Al.

Cc: Al Viro <viro@ftp.linux.org.uk>
Signed-off-by: Neil Brown <neilb@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

parent 8c2a6a40

fs/nfsd/vfs.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -1553,7 +1553,7 @@ nfsd_rename(struct svc_rqst rqstp, struct svc_fh ffhp, char *fname, int flen,
		tdir = tdentry->d_inode;

		err = (rqstp->rq_vers == 2) ? nfserr_acces : nfserr_xdev;
		if (fdir->i_sb != tdir->i_sb)
		if (ffhp->fh_export != tfhp->fh_export)
		goto out;

		err = nfserr_perm;