Commit 31885a8d authored by xiaolinkui's avatar xiaolinkui Committed by Heiko Carstens
Browse files

s390/idal: use struct_size() in kmalloc() 



Use the new struct_size() helper to keep code simple.

Signed-off-by: default avatarxiaolinkui <xiaolinkui@kylinos.cn>
Signed-off-by: default avatarHeiko Carstens <heiko.carstens@de.ibm.com>
parent a646ef39

arch/s390/include/asm/idals.h

+1 −2
Original line number Diff line number Diff line
@@ -122,8 +122,7 @@ idal_buffer_alloc(size_t size, int page_order) 


	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;