Markus Armbruster writes:
> qemu_rdma_search_ram_block() can't fail. Return void, and drop the
> unreachable error handling.
>
> Signed-off-by: Markus Armbruster
> ---
> migration/rdma.c | 22 --
> 1 file changed, 8 insertions(+), 14 deletions(-)
>
> diff --git a/migration/rdma.c b/migration/rdma.c
> index 2b0f9d52d8..98520a42b4 100644
> --- a/migration/rdma.c
> +++ b/migration/rdma.c
> @@ -1234,12 +1234,12 @@ static int qemu_rdma_reg_whole_ram_blocks(RDMAContext
> *rdma)
> *
> * This search cannot fail or the migration will fail.
> */
This comment can be removed as well.
> -static int qemu_rdma_search_ram_block(RDMAContext *rdma,
> - uintptr_t block_offset,
> - uint64_t offset,
> - uint64_t length,
> - uint64_t *block_index,
> - uint64_t *chunk_index)
> +static void qemu_rdma_search_ram_block(RDMAContext *rdma,
> + uintptr_t block_offset,
> + uint64_t offset,
> + uint64_t length,
> + uint64_t *block_index,
> + uint64_t *chunk_index)
> {
> uint64_t current_addr = block_offset + offset;
> RDMALocalBlock *block = g_hash_table_lookup(rdma->blockmap,
> @@ -1251,8 +1251,6 @@ static int qemu_rdma_search_ram_block(RDMAContext *rdma,
> *block_index = block->index;
> *chunk_index = ram_chunk_index(block->local_host_addr,
> block->local_host_addr + (current_addr - block->offset));
> -
> -return 0;
> }
>
> /*
> @@ -2321,12 +2319,8 @@ static int qemu_rdma_write(QEMUFile *f, RDMAContext
> *rdma,
> rdma->current_length = 0;
> rdma->current_addr = current_addr;
>
> -ret = qemu_rdma_search_ram_block(rdma, block_offset,
> - offset, len, , );
> -if (ret) {
> -error_report("ram block search failed");
> -return ret;
> -}
> +qemu_rdma_search_ram_block(rdma, block_offset,
> + offset, len, , );
> rdma->current_index = index;
> rdma->current_chunk = chunk;
> }