From: Anton Ivanov <anton.ivanov@cambridgegreys.com>
Date: Sat, 6 Jul 2024 09:12:00 +0000 (+0100)
Subject: um: vector: Fix NAPI budget handling
X-Git-Tag: v6.12-rc1~20^2~12
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=671cd5eed9db3415b42826747114a330bc303ae9;p=thirdparty%2Flinux.git

um: vector: Fix NAPI budget handling

Fix the handling of NAPI budget.

Signed-off-by: Anton Ivanov <anton.ivanov@cambridgegreys.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
---

diff --git a/arch/um/drivers/vector_kern.c b/arch/um/drivers/vector_kern.c
index 0d7e7a25b674f..c992da83268dd 100644
--- a/arch/um/drivers/vector_kern.c
+++ b/arch/um/drivers/vector_kern.c
@@ -966,7 +966,7 @@ static int vector_mmsg_rx(struct vector_private *vp, int budget)
 		budget = qi->max_depth;
 
 	packet_count = uml_vector_recvmmsg(
-		vp->fds->rx_fd, qi->mmsg_vector, qi->max_depth, 0);
+		vp->fds->rx_fd, qi->mmsg_vector, budget, 0);
 
 	if (packet_count < 0)
 		vp->in_error = true;
@@ -1180,7 +1180,7 @@ static int vector_poll(struct napi_struct *napi, int budget)
 
 	if (tx_enqueued || err > 0)
 		napi_schedule(napi);
-	if (work_done < budget)
+	if (work_done <= budget)
 		napi_complete_done(napi, work_done);
 	return work_done;
 }