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migration/rdma: Clean up qemu_rdma_poll()'s return type 

qemu_rdma_poll()'s return type is uint64_t, even though it returns 0,
-1, or @ret, which is int.  Its callers assign the return value to int
variables, then check whether it's negative.  Unclean.

Return int instead.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Fabiano Rosas <farosas@suse.de>
Reviewed-by: Li Zhijian <lizhijian@fujitsu.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
Message-ID: <20230928132019.2544702-2-armbru@redhat.com>
This commit is contained in:
Markus Armbruster 2023-09-28 15:19:27 +02:00 committed by Juan Quintela
parent 0e99bb8f54
commit b72eacf3c0
1 changed files with 2 additions and 2 deletions
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4
migration/rdma.c
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@ -1469,8 +1469,8 @@ static uint64_t qemu_rdma_make_wrid(uint64_t wr_id, uint64_t index,
* (of any kind) has completed.
* Return the work request ID that completed.
*/
static uint64_t qemu_rdma_poll(RDMAContext *rdma, struct ibv_cq *cq,
uint64_t *wr_id_out, uint32_t *byte_len)
static int qemu_rdma_poll(RDMAContext *rdma, struct ibv_cq *cq,
uint64_t *wr_id_out, uint32_t *byte_len)
{
int ret;
struct ibv_wc wc;