5 files changed, 11 insertions, 42 deletions

diff --git a/drivers/infiniband/sw/siw/siw.h b/drivers/infiniband/sw/siw/siw.h
index af5e9f8c0fcd..e9753831ac3f 100644
--- a/drivers/infiniband/sw/siw/siw.h
+++ b/drivers/infiniband/sw/siw/siw.h
@@ -30,7 +30,6 @@
 #define SIW_MAX_MR (SIW_MAX_QP * 10)
 #define SIW_MAX_PD SIW_MAX_QP
 #define SIW_MAX_MW 0 /* to be set if MW's are supported */
-#define SIW_MAX_FMR SIW_MAX_MR
 #define SIW_MAX_SRQ SIW_MAX_QP
 #define SIW_MAX_SRQ_WR (SIW_MAX_QP_WR * 10)
 #define SIW_MAX_CONTEXT SIW_MAX_PD
@@ -59,7 +58,6 @@ struct siw_dev_cap {
 	int max_mr;
 	int max_pd;
 	int max_mw;
-	int max_fmr;
 	int max_srq;
 	int max_srq_wr;
 	int max_srq_sge;
@@ -139,7 +137,7 @@ struct siw_pble {
 struct siw_pbl {
 	unsigned int num_buf;
 	unsigned int max_buf;
-	struct siw_pble pbe[1];
+	struct siw_pble pbe[];
 };
 
 /*
diff --git a/drivers/infiniband/sw/siw/siw_cm.c b/drivers/infiniband/sw/siw/siw_cm.c
index 559e5fd3bad8..1662216be66d 100644
--- a/drivers/infiniband/sw/siw/siw_cm.c
+++ b/drivers/infiniband/sw/siw/siw_cm.c
@@ -947,16 +947,8 @@ static void siw_accept_newconn(struct siw_cep *cep)
 	siw_cep_get(new_cep);
 	new_s->sk->sk_user_data = new_cep;
 
-	if (siw_tcp_nagle == false) {
-		int val = 1;
-
-		rv = kernel_setsockopt(new_s, SOL_TCP, TCP_NODELAY,
-				       (char *)&val, sizeof(val));
-		if (rv) {
-			siw_dbg_cep(cep, "setsockopt NODELAY error: %d\n", rv);
-			goto error;
-		}
-	}
+	if (siw_tcp_nagle == false)
+		tcp_sock_set_nodelay(new_s->sk);
 	new_cep->state = SIW_EPSTATE_AWAIT_MPAREQ;
 
 	rv = siw_cm_queue_work(new_cep, SIW_CM_WORK_MPATIMEOUT);
@@ -1312,17 +1304,14 @@ static void siw_cm_llp_state_change(struct sock *sk)
 static int kernel_bindconnect(struct socket *s, struct sockaddr *laddr,
 			      struct sockaddr *raddr)
 {
-	int rv, flags = 0, s_val = 1;
+	int rv, flags = 0;
 	size_t size = laddr->sa_family == AF_INET ?
 		sizeof(struct sockaddr_in) : sizeof(struct sockaddr_in6);
 
 	/*
 	 * Make address available again asap.
 	 */
-	rv = kernel_setsockopt(s, SOL_SOCKET, SO_REUSEADDR, (char *)&s_val,
-			       sizeof(s_val));
-	if (rv < 0)
-		return rv;
+	sock_set_reuseaddr(s->sk);
 
 	rv = s->ops->bind(s, laddr, size);
 	if (rv < 0)
@@ -1389,16 +1378,8 @@ int siw_connect(struct iw_cm_id *id, struct iw_cm_conn_param *params)
 		siw_dbg_qp(qp, "kernel_bindconnect: error %d\n", rv);
 		goto error;
 	}
-	if (siw_tcp_nagle == false) {
-		int val = 1;
-
-		rv = kernel_setsockopt(s, SOL_TCP, TCP_NODELAY, (char *)&val,
-				       sizeof(val));
-		if (rv) {
-			siw_dbg_qp(qp, "setsockopt NODELAY error: %d\n", rv);
-			goto error;
-		}
-	}
+	if (siw_tcp_nagle == false)
+		tcp_sock_set_nodelay(s->sk);
 	cep = siw_cep_alloc(sdev);
 	if (!cep) {
 		rv = -ENOMEM;
@@ -1781,7 +1762,7 @@ int siw_create_listen(struct iw_cm_id *id, int backlog)
 	struct siw_cep *cep = NULL;
 	struct siw_device *sdev = to_siw_dev(id->device);
 	int addr_family = id->local_addr.ss_family;
-	int rv = 0, s_val;
+	int rv = 0;
 
 	if (addr_family != AF_INET && addr_family != AF_INET6)
 		return -EAFNOSUPPORT;
@@ -1793,13 +1774,8 @@ int siw_create_listen(struct iw_cm_id *id, int backlog)
 	/*
 	 * Allow binding local port when still in TIME_WAIT from last close.
 	 */
-	s_val = 1;
-	rv = kernel_setsockopt(s, SOL_SOCKET, SO_REUSEADDR, (char *)&s_val,
-			       sizeof(s_val));
-	if (rv) {
-		siw_dbg(id->device, "setsockopt error: %d\n", rv);
-		goto error;
-	}
+	sock_set_reuseaddr(s->sk);
+
 	if (addr_family == AF_INET) {
 		struct sockaddr_in *laddr = &to_sockaddr_in(id->local_addr);
 
diff --git a/drivers/infiniband/sw/siw/siw_main.c b/drivers/infiniband/sw/siw/siw_main.c
index 5cd40fb9e20c..a0b8cc643c5c 100644
--- a/drivers/infiniband/sw/siw/siw_main.c
+++ b/drivers/infiniband/sw/siw/siw_main.c
@@ -413,7 +413,6 @@ static struct siw_device *siw_device_create(struct net_device *netdev)
 	sdev->attrs.max_mr = SIW_MAX_MR;
 	sdev->attrs.max_pd = SIW_MAX_PD;
 	sdev->attrs.max_mw = SIW_MAX_MW;
-	sdev->attrs.max_fmr = SIW_MAX_FMR;
 	sdev->attrs.max_srq = SIW_MAX_SRQ;
 	sdev->attrs.max_srq_wr = SIW_MAX_SRQ_WR;
 	sdev->attrs.max_srq_sge = SIW_MAX_SGE;
diff --git a/drivers/infiniband/sw/siw/siw_mem.c b/drivers/infiniband/sw/siw/siw_mem.c
index e2061dc0b043..87117781d637 100644
--- a/drivers/infiniband/sw/siw/siw_mem.c
+++ b/drivers/infiniband/sw/siw/siw_mem.c
@@ -349,14 +349,11 @@ dma_addr_t siw_pbl_get_buffer(struct siw_pbl *pbl, u64 off, int *len, int *idx)
 struct siw_pbl *siw_pbl_alloc(u32 num_buf)
 {
 	struct siw_pbl *pbl;
-	int buf_size = sizeof(*pbl);
 
 	if (num_buf == 0)
 		return ERR_PTR(-EINVAL);
 
-	buf_size += ((num_buf - 1) * sizeof(struct siw_pble));
-
-	pbl = kzalloc(buf_size, GFP_KERNEL);
+	pbl = kzalloc(struct_size(pbl, pbe, num_buf), GFP_KERNEL);
 	if (!pbl)
 		return ERR_PTR(-ENOMEM);
 
diff --git a/drivers/infiniband/sw/siw/siw_verbs.c b/drivers/infiniband/sw/siw/siw_verbs.c
index aeb842bc7a1e..987e2ba05dbc 100644
--- a/drivers/infiniband/sw/siw/siw_verbs.c
+++ b/drivers/infiniband/sw/siw/siw_verbs.c
@@ -136,7 +136,6 @@ int siw_query_device(struct ib_device *base_dev, struct ib_device_attr *attr,
 	attr->max_cq = sdev->attrs.max_cq;
 	attr->max_cqe = sdev->attrs.max_cqe;
 	attr->max_fast_reg_page_list_len = SIW_MAX_SGE_PBL;
-	attr->max_fmr = sdev->attrs.max_fmr;
 	attr->max_mr = sdev->attrs.max_mr;
 	attr->max_mw = sdev->attrs.max_mw;
 	attr->max_mr_size = ~0ull;