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authorOlaf Kirch <okir@suse.de>2006-10-04 02:16:03 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2006-10-04 07:55:18 -0700
commit39be4502cb75dc26007fe1659735b26c8e63fcc6 (patch)
tree0f4c6bf14f8a975178b3192bfc9ba942da56619f /fs/lockd/svcproc.c
parent031d869d0e0be18cfe35526be5608225b8f0a7be (diff)
downloadlinux-39be4502cb75dc26007fe1659735b26c8e63fcc6.tar.bz2
[PATCH] knfsd: match GRANTED_RES replies using cookies
When we send a GRANTED_MSG call, we current copy the NLM cookie provided in the original LOCK call - because in 1996, some broken clients seemed to rely on this bug. However, this means the cookies are not unique, so that when the client's GRANTED_RES message comes back, we cannot simply match it based on the cookie, but have to use the client's IP address in addition. Which breaks when you have a multi-homed NFS client. The X/Open spec explicitly mentions that clients should not expect the same cookie; so one may hope that any clients that were broken in 1996 have either been fixed or rendered obsolete. Signed-off-by: Olaf Kirch <okir@suse.de> Signed-off-by: Neil Brown <neilb@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'fs/lockd/svcproc.c')
-rw-r--r--fs/lockd/svcproc.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/lockd/svcproc.c b/fs/lockd/svcproc.c
index 66e7b0b3430e..75b2c81bcb93 100644
--- a/fs/lockd/svcproc.c
+++ b/fs/lockd/svcproc.c
@@ -484,7 +484,7 @@ nlmsvc_proc_granted_res(struct svc_rqst *rqstp, struct nlm_res *argp,
dprintk("lockd: GRANTED_RES called\n");
- nlmsvc_grant_reply(rqstp, &argp->cookie, argp->status);
+ nlmsvc_grant_reply(&argp->cookie, argp->status);
return rpc_success;
}