From: NeilBrown <neilb@cse.unsw.edu.au>
Date: Fri, 24 Jun 2005 05:04:06 +0000 (-0700)
Subject: [PATCH] knfsd: nfsd4: fix uncomfirmed list
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=31f4a6c127f619886bf97f643e546f7788248f3f;p=GitHub%2FLineageOS%2Fandroid_kernel_samsung_universal7580.git

[PATCH] knfsd: nfsd4: fix uncomfirmed list

Setclientid code assumes there is only one match in unconfirmed list.
Make sure that assumption holds.

From: Fred Isaman
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---

diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index 8a5f777b1e9..67a038dc0d0 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -743,10 +743,13 @@ nfsd4_setclientid(struct svc_rqst *rqstp, struct nfsd4_setclientid *setclid)
 		 * nfs4_client,  but with the new callback info and a 
 		 * new cl_confirm
 		 */
-		if ((unconf) && 
-		    cmp_verf(&unconf->cl_verifier, &conf->cl_verifier) &&
-		     cmp_clid(&unconf->cl_clientid, &conf->cl_clientid)) {
-				expire_client(unconf);
+		if (unconf) {
+			/* Note this is removing unconfirmed {*x***},
+			 * which is stronger than RFC recommended {vxc**}.
+			 * This has the advantage that there is at most
+			 * one {*x***} in either list at any time.
+			 */
+			expire_client(unconf);
 		}
 		new = create_client(clname, dname);
 		if (new == NULL)