From 8d2a02b24d66aa359e83eebc1ed3c0f85367a1cb Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Thu, 16 May 2024 03:11:33 +0000
Subject: [PATCH] AX88772C_eeprom and ax8872c build together

---
 kernel/include/trace/events/writeback.h |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/kernel/include/trace/events/writeback.h b/kernel/include/trace/events/writeback.h
index 57d7953..453255a 100644
--- a/kernel/include/trace/events/writeback.h
+++ b/kernel/include/trace/events/writeback.h
@@ -67,7 +67,7 @@
 		strscpy_pad(__entry->name,
 			    bdi_dev_name(mapping ? inode_to_bdi(mapping->host) :
 					 NULL), 32);
-		__entry->ino = mapping ? mapping->host->i_ino : 0;
+		__entry->ino = (mapping && mapping->host) ? mapping->host->i_ino : 0;
 		__entry->index = page->index;
 	),
 

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