[PATCH] knfsd: nfsd4: Fix error handling in nfsd's callback client

Coverity noticed that the error handling code in the NFSv4 callback client
sets cb->cb_client to NULL, then calls rpc_shutdown_client with the NULL
pointer.

Coverity: #cid 1397

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
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:
J. Bruce Fields 2006-10-17 00:10:16 -07:00 committed by Linus Torvalds
parent 9801d8a39c
commit 0942176f43

View file

@ -421,7 +421,7 @@ nfsd4_probe_callback(struct nfs4_client *clp)
/* Create RPC client */
cb->cb_client = rpc_create(&args);
if (!cb->cb_client) {
if (IS_ERR(cb->cb_client)) {
dprintk("NFSD: couldn't create callback client\n");
goto out_err;
}
@ -448,10 +448,10 @@ nfsd4_probe_callback(struct nfs4_client *clp)
out_rpciod:
atomic_dec(&clp->cl_count);
rpciod_down();
cb->cb_client = NULL;
out_clnt:
rpc_shutdown_client(cb->cb_client);
out_err:
cb->cb_client = NULL;
dprintk("NFSD: warning: no callback path to client %.*s\n",
(int)clp->cl_name.len, clp->cl_name.data);
}