net/smc: Scan from current RMB list when no position specified

When finding the first RMB of link group, it should start from the current RMB list whose index is 0. So fix it. Fixes: b4ba465 ("net/smc: extend LLC layer for SMC-Rv2") Signed-off-by: Wen Gu <[email protected]> Signed-off-by: Paolo Abeni <[email protected]>
MrCry0 · May 30, 2023 · b24aa14 · b24aa14
1 parent 020c69c
commit b24aa14
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/net/smc/smc_llc.c b/net/smc/smc_llc.c
@@ -578,7 +578,10 @@ static struct smc_buf_desc *smc_llc_get_next_rmb(struct smc_link_group *lgr,
 {
 	struct smc_buf_desc *buf_next;
 
-	if (!buf_pos || list_is_last(&buf_pos->list, &lgr->rmbs[*buf_lst])) {
+	if (!buf_pos)
+		return _smc_llc_get_next_rmb(lgr, buf_lst);
+
+	if (list_is_last(&buf_pos->list, &lgr->rmbs[*buf_lst])) {
 		(*buf_lst)++;
 		return _smc_llc_get_next_rmb(lgr, buf_lst);
 	}