RDMA/nes: Add missing calls to ib_umem_release()

Add calls to ib_umem_release(), as in the other error-handling code in
nes_reg_user_mr().

Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: Roland Dreier <roland@purestorage.com>

1 files changed, 4 insertions, 1 deletions

diff --git a/drivers/infiniband/hw/nes/nes_verbs.c b/drivers/infiniband/hw/nes/nes_verbs.c
index 9f2f7d4b1197..394d0e7e4a5c 100644
--- a/drivers/infiniband/hw/nes/nes_verbs.c
+++ b/drivers/infiniband/hw/nes/nes_verbs.c
@@ -2338,8 +2338,10 @@ static struct ib_mr *nes_reg_user_mr(struct ib_pd *pd, u64 start, u64 length,
 
         skip_pages = ((u32)region->offset) >> 12;
 
-        if (ib_copy_from_udata(&req, udata, sizeof(req)))
+        if (ib_copy_from_udata(&req, udata, sizeof(req))) {
+                ib_umem_release(region);
                 return ERR_PTR(-EFAULT);
+        }
         nes_debug(NES_DBG_MR, "Memory Registration type = %08X.\n", req.reg_type);
 
         switch (req.reg_type) {
@@ -2631,6 +2633,7 @@ static struct ib_mr *nes_reg_user_mr(struct ib_pd *pd, u64 start, u64 length,
                         return &nesmr->ibmr;
         }
 
+        ib_umem_release(region);
         return ERR_PTR(-ENOSYS);
 }