ERR_PTR() dereference in net/rds/ib.c

rdma_create_id() doesn't return NULL, only ERR_PTR().

Found by smatch (http://repo.or.cz/w/smatch.git).  Compile tested.

regards,
dan carpenter

Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Andy Grover <andy.grover@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 2 insertions, 2 deletions

diff --git a/net/rds/ib.c b/net/rds/ib.c
index 4933b380985e..b9bcd32431e1 100644
--- a/net/rds/ib.c
+++ b/net/rds/ib.c
@@ -224,8 +224,8 @@ static int rds_ib_laddr_check(__be32 addr)
          * IB and iWARP capable NICs.
          */
         cm_id = rdma_create_id(NULL, NULL, RDMA_PS_TCP);
-        if (!cm_id)
-                return -EADDRNOTAVAIL;
+        if (IS_ERR(cm_id))
+                return PTR_ERR(cm_id);
 
         memset(&sin, 0, sizeof(sin));
         sin.sin_family = AF_INET;