RDS: IB: fix 'passing zero to ERR_PTR()' warning

Fix a static code checker warning:
 net/rds/ib_frmr.c:82 rds_ib_alloc_frmr() warn: passing zero to 'ERR_PTR'

The error path for ib_alloc_mr failure should set err to PTR_ERR.

Fixes: 1659185fb4d0 ("RDS: IB: Support Fastreg MR (FRMR) memory registration mode")
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 1 insertions, 0 deletions

diff --git a/net/rds/ib_frmr.c b/net/rds/ib_frmr.c
index d152e48ea371..8596eed6d9a8 100644
--- a/net/rds/ib_frmr.c
+++ b/net/rds/ib_frmr.c
@@ -61,6 +61,7 @@ static struct rds_ib_mr *rds_ib_alloc_frmr(struct rds_ib_device *rds_ibdev,
                          pool->fmr_attr.max_pages);
         if (IS_ERR(frmr->mr)) {
                 pr_warn("RDS/IB: %s failed to allocate MR", __func__);
+                err = PTR_ERR(frmr->mr);
                 goto out_no_cigar;
         }