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path: root/net/sunrpc/auth_gss/svcauth_gss.c
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Diffstat (limited to 'net/sunrpc/auth_gss/svcauth_gss.c')
-rw-r--r--net/sunrpc/auth_gss/svcauth_gss.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/net/sunrpc/auth_gss/svcauth_gss.c b/net/sunrpc/auth_gss/svcauth_gss.c
index 871c73c92165..29b4ba93ab3c 100644
--- a/net/sunrpc/auth_gss/svcauth_gss.c
+++ b/net/sunrpc/auth_gss/svcauth_gss.c
@@ -1287,7 +1287,7 @@ static bool use_gss_proxy(struct net *net)
 
 #ifdef CONFIG_PROC_FS
 
-static bool set_gss_proxy(struct net *net, int type)
+static int set_gss_proxy(struct net *net, int type)
 {
 	struct sunrpc_net *sn = net_generic(net, sunrpc_net_id);
 	int ret = 0;
@@ -1317,10 +1317,12 @@ static inline bool gssp_ready(struct sunrpc_net *sn)
 	return false;
 }
 
-static int wait_for_gss_proxy(struct net *net)
+static int wait_for_gss_proxy(struct net *net, struct file *file)
 {
 	struct sunrpc_net *sn = net_generic(net, sunrpc_net_id);
 
+	if (file->f_flags & O_NONBLOCK && !gssp_ready(sn))
+		return -EAGAIN;
 	return wait_event_interruptible(sn->gssp_wq, gssp_ready(sn));
 }
 
@@ -1362,7 +1364,7 @@ static ssize_t read_gssp(struct file *file, char __user *buf,
 	size_t len;
 	int ret;
 
-	ret = wait_for_gss_proxy(net);
+	ret = wait_for_gss_proxy(net, file);
 	if (ret)
 		return ret;