libafs: allow bkg daemon requests without creds

Make the creds argument optional for background daemon
requests which do not need to pass a cred.

Change-Id: Ic4ac69d746e8a84993069e37bdd0440622febd70
Reviewed-on: http://gerrit.openafs.org/10880
Tested-by: BuildBot <buildbot@rampaginggeek.com>
Reviewed-by: D Brashear <shadow@your-file-system.com>

diff --git a/src/afs/afs_daemons.c b/src/afs/afs_daemons.c
index 0aab8c9..e50431f 100644 (file)
--- a/src/afs/afs_daemons.c
+++ b/src/afs/afs_daemons.c
@@ -702,7 +702,9 @@ afs_BQueue(short aopcode, struct vcache *avc,
            tb->opcode = aopcode;
            tb->vc = avc;
            tb->cred = acred;
-           crhold(tb->cred);
+           if (tb->cred) {
+               crhold(tb->cred);
+           }
            if (avc) {
                AFS_FAST_HOLD(avc);
            }