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[v4,04/13] sunrpc: Prepare xs_connect() for taking NULL tasks

Message ID 20210428213203.40059-5-olga.kornievskaia@gmail.com (mailing list archive)
State New
Headers show
Series create sysfs files for changing IP address | expand

Commit Message

Olga Kornievskaia April 28, 2021, 9:31 p.m. UTC
From: Anna Schumaker <Anna.Schumaker@Netapp.com>

We won't have a task structure when we go to change IP addresses, so
check for one before calling the WARN_ON() to avoid crashing.

Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
 net/sunrpc/xprtsock.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c
index 47aa47a2b07c..2bcb80c19339 100644
--- a/net/sunrpc/xprtsock.c
+++ b/net/sunrpc/xprtsock.c
@@ -2317,7 +2317,7 @@  static void xs_connect(struct rpc_xprt *xprt, struct rpc_task *task)
 	struct sock_xprt *transport = container_of(xprt, struct sock_xprt, xprt);
 	unsigned long delay = 0;
-	WARN_ON_ONCE(!xprt_lock_connect(xprt, task, transport));
+	WARN_ON_ONCE(task && !xprt_lock_connect(xprt, task, transport));
 	if (transport->sock != NULL) {
 		dprintk("RPC:       xs_connect delayed xprt %p for %lu "