From: Zhang Qilong zhangqilong3@huawei.com
[ Upstream commit 856c2998999958761b6a52208b4edb4d352c4037 ]
The rv cannot be 'EAGAIN' in the previous path, we should use '-EAGAIN' to check it. For example:
Call trace: ->siw_cm_work_handler ->siw_proc_mpareq ->siw_recv_mpa_rr
Link: https://lore.kernel.org/r/20201028122509.47074-1-zhangqilong3@huawei.com Signed-off-by: Zhang Qilong zhangqilong3@huawei.com Reviewed-by: Bernard Metzler bmt@zurich.ibm.com Signed-off-by: Jason Gunthorpe jgg@nvidia.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/infiniband/sw/siw/siw_cm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/infiniband/sw/siw/siw_cm.c b/drivers/infiniband/sw/siw/siw_cm.c index 66764f7ef072a..1f9e15b715048 100644 --- a/drivers/infiniband/sw/siw/siw_cm.c +++ b/drivers/infiniband/sw/siw/siw_cm.c @@ -1047,7 +1047,7 @@ static void siw_cm_work_handler(struct work_struct *w) cep->state); } } - if (rv && rv != EAGAIN) + if (rv && rv != -EAGAIN) release_cep = 1; break;