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

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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>
This commit is contained in:
NeilBrown 2006-06-30 01:56:10 -07:00 committed by Linus Torvalds
parent 8c2a6a4090
commit a56f39375a
1 changed files with 1 additions and 1 deletions
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2
fs/nfsd/vfs.c
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@ -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;