From 748e4f3d702def1a4bff191e0cf93b6a05340f01 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 10 May 2024 07:41:34 +0000
Subject: [PATCH] add gpio led uart

---
 kernel/arch/s390/include/asm/idals.h |    3 +--
 1 files changed, 1 insertions(+), 2 deletions(-)

diff --git a/kernel/arch/s390/include/asm/idals.h b/kernel/arch/s390/include/asm/idals.h
index 15578fd..6fb7ace 100644
--- a/kernel/arch/s390/include/asm/idals.h
+++ b/kernel/arch/s390/include/asm/idals.h
@@ -122,8 +122,7 @@
 
 	nr_ptrs = (size + IDA_BLOCK_SIZE - 1) >> IDA_SIZE_LOG;
 	nr_chunks = (4096 << page_order) >> IDA_SIZE_LOG;
-	ib = kmalloc(sizeof(struct idal_buffer) + nr_ptrs*sizeof(void *),
-		     GFP_DMA | GFP_KERNEL);
+	ib = kmalloc(struct_size(ib, data, nr_ptrs), GFP_DMA | GFP_KERNEL);
 	if (ib == NULL)
 		return ERR_PTR(-ENOMEM);
 	ib->size = size;

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