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/tools/lib/bpf/btf.c |   13 +++++++++++++
 1 files changed, 13 insertions(+), 0 deletions(-)

diff --git a/kernel/tools/lib/bpf/btf.c b/kernel/tools/lib/bpf/btf.c
index e6f644c..f7c48b1 100644
--- a/kernel/tools/lib/bpf/btf.c
+++ b/kernel/tools/lib/bpf/btf.c
@@ -614,8 +614,21 @@
 			if (align <= 0)
 				return align;
 			max_align = max(max_align, align);
+
+			/* if field offset isn't aligned according to field
+			 * type's alignment, then struct must be packed
+			 */
+			if (btf_member_bitfield_size(t, i) == 0 &&
+			    (m->offset % (8 * align)) != 0)
+				return 1;
 		}
 
+		/* if struct/union size isn't a multiple of its alignment,
+		 * then struct must be packed
+		 */
+		if ((t->size % max_align) != 0)
+			return 1;
+
 		return max_align;
 	}
 	default:

--
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