From: Wen Gu <guwen@xxxxxxxxxxxxxxxxx>
[ Upstream commit b24aa141c2ff26c919237aee61ea1818fc6780d9 ]
When finding the first RMB of link group, it should start from the
current RMB list whose index is 0. So fix it.
Fixes: b4ba4652b3f8 ("net/smc: extend LLC layer for SMC-Rv2")
Signed-off-by: Wen Gu <guwen@xxxxxxxxxxxxxxxxx>
Signed-off-by: Paolo Abeni <pabeni@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
net/smc/smc_llc.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/net/smc/smc_llc.c b/net/smc/smc_llc.c
index a0840b8c935b8..8423e8e0063f4 100644
--- 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);
}
--
2.39.2
