modify sin led gpio

hc

2024-05-13 9d77db3c730780c8ef5ccd4b66403ff5675cfe4e

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