Re: [PATCH net v10 01/14] rxrpc: Fix lack of short-send handling in rxrpc_kernel_send_data()

[Paolo Abeni]

On 9/14/26 5:13 PM, David Howells wrote:
> @@ -816,15 +814,29 @@ int rxrpc_kernel_send_data(struct socket *sock, struct rxrpc_call *call,
>  	ASSERTCMP(msg->msg_name, ==, NULL);
>  	ASSERTCMP(msg->msg_control, ==, NULL);
>  
> -	mutex_lock(&call->user_mutex);
> +	for (;;) {
> +		mutex_lock(&call->user_mutex);

FTR coccinelle can't digest the lock inside the loop:

https://netdev-ctrl.bots.linux.dev/build/cocci/results/823484/stderr

but AFAICS the report is a false positive, and I can't think of an easy
way to avoid it.

/P