sdp: don't double free fmr

There are flows that try to free ssk->fmr twice.

Signed-off-by: Amir Vadai <amirv@mellanox.co.il>

diff --git a/drivers/infiniband/ulp/sdp/sdp_zcopy.c b/drivers/infiniband/ulp/sdp/sdp_zcopy.c
index 8ff1e7e848b6d5a84c3371cec7c0b2a391a0e43e..359c7d4c4c17abe4566a90edca048eadd91a39da 100644 (file)
--- a/drivers/infiniband/ulp/sdp/sdp_zcopy.c
+++ b/drivers/infiniband/ulp/sdp/sdp_zcopy.c
@@ -807,7 +807,8 @@ void sdp_abort_rdma_read(struct sock *sk)
        if (!rx_sa)
                return;
 
-       sdp_free_fmr(sk, &rx_sa->fmr, &rx_sa->umem);
+       if (rx_sa->fmr)
+               sdp_free_fmr(sk, &rx_sa->fmr, &rx_sa->umem);
 
        ssk->rx_sa = NULL;
 }