SUNRPC: Fix a bug in gss_create_upcall
If wait_event_interruptible_timeout() is successful, it returns
the number of seconds remaining until the timeout. In that
case, we should be retrying the upcall.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
diff --git a/net/sunrpc/auth_gss/auth_gss.c b/net/sunrpc/auth_gss/auth_gss.c
index 7da6b45..f17f3c5 100644
--- a/net/sunrpc/auth_gss/auth_gss.c
+++ b/net/sunrpc/auth_gss/auth_gss.c
@@ -563,11 +563,12 @@
struct rpc_cred *cred = &gss_cred->gc_base;
struct gss_upcall_msg *gss_msg;
DEFINE_WAIT(wait);
- int err = 0;
+ int err;
dprintk("RPC: %s for uid %u\n",
__func__, from_kuid(&init_user_ns, cred->cr_uid));
retry:
+ err = 0;
gss_msg = gss_setup_upcall(gss_auth->client, gss_auth, cred);
if (PTR_ERR(gss_msg) == -EAGAIN) {
err = wait_event_interruptible_timeout(pipe_version_waitqueue,
@@ -576,7 +577,7 @@
warn_gssd();
err = -EACCES;
}
- if (err)
+ if (err < 0)
goto out;
goto retry;
}