From 8ac6c7a54ed1b98d142dce24b11c6de6a1e239a5 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Tue, 22 Oct 2024 10:36:11 +0000
Subject: [PATCH] 修改4g拨号为QMI,需要在系统里后台执行quectel-CM

---
 kernel/include/net/xsk_buff_pool.h |    9 ++-------
 1 files changed, 2 insertions(+), 7 deletions(-)

diff --git a/kernel/include/net/xsk_buff_pool.h b/kernel/include/net/xsk_buff_pool.h
index c9a47d3..5a63e3b 100644
--- a/kernel/include/net/xsk_buff_pool.h
+++ b/kernel/include/net/xsk_buff_pool.h
@@ -150,13 +150,8 @@
 	if (likely(!cross_pg))
 		return false;
 
-	if (pool->dma_pages_cnt) {
-		return !(pool->dma_pages[addr >> PAGE_SHIFT] &
-			 XSK_NEXT_PG_CONTIG_MASK);
-	}
-
-	/* skb path */
-	return addr + len > pool->addrs_cnt;
+	return pool->dma_pages_cnt &&
+	       !(pool->dma_pages[addr >> PAGE_SHIFT] & XSK_NEXT_PG_CONTIG_MASK);
 }
 
 static inline u64 xp_aligned_extract_addr(struct xsk_buff_pool *pool, u64 addr)

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