RDS: cleanup: remove "== NULL"s and "!= NULL"s in ptr comparisons
Favor "if (foo)" style over "if (foo != NULL)".
Signed-off-by: Andy Grover <andy.grover@oracle.com>
diff --git a/net/rds/af_rds.c b/net/rds/af_rds.c
index aebfecb..63474e1 100644
--- a/net/rds/af_rds.c
+++ b/net/rds/af_rds.c
@@ -62,7 +62,7 @@
struct rds_sock *rs;
unsigned long flags;
- if (sk == NULL)
+ if (!sk)
goto out;
rs = rds_sk_to_rs(sk);
diff --git a/net/rds/bind.c b/net/rds/bind.c
index 5d95fc0..65de5cb 100644
--- a/net/rds/bind.c
+++ b/net/rds/bind.c
@@ -121,7 +121,7 @@
do {
if (rover == 0)
rover++;
- if (rds_bind_tree_walk(addr, cpu_to_be16(rover), rs) == NULL) {
+ if (!rds_bind_tree_walk(addr, cpu_to_be16(rover), rs)) {
*port = cpu_to_be16(rover);
ret = 0;
break;
@@ -184,7 +184,7 @@
goto out;
trans = rds_trans_get_preferred(sin->sin_addr.s_addr);
- if (trans == NULL) {
+ if (!trans) {
ret = -EADDRNOTAVAIL;
rds_remove_bound(rs);
if (printk_ratelimit())
diff --git a/net/rds/cong.c b/net/rds/cong.c
index 0871a29f..c741e90 100644
--- a/net/rds/cong.c
+++ b/net/rds/cong.c
@@ -141,7 +141,7 @@
unsigned long flags;
map = kzalloc(sizeof(struct rds_cong_map), GFP_KERNEL);
- if (map == NULL)
+ if (!map)
return NULL;
map->m_addr = addr;
@@ -159,7 +159,7 @@
ret = rds_cong_tree_walk(addr, map);
spin_unlock_irqrestore(&rds_cong_lock, flags);
- if (ret == NULL) {
+ if (!ret) {
ret = map;
map = NULL;
}
@@ -205,7 +205,7 @@
conn->c_lcong = rds_cong_from_addr(conn->c_laddr);
conn->c_fcong = rds_cong_from_addr(conn->c_faddr);
- if (conn->c_lcong == NULL || conn->c_fcong == NULL)
+ if (!(conn->c_lcong && conn->c_fcong))
return -ENOMEM;
return 0;
diff --git a/net/rds/connection.c b/net/rds/connection.c
index 895e39c..9c9afb5 100644
--- a/net/rds/connection.c
+++ b/net/rds/connection.c
@@ -148,7 +148,7 @@
goto out;
conn = kmem_cache_zalloc(rds_conn_slab, gfp);
- if (conn == NULL) {
+ if (!conn) {
conn = ERR_PTR(-ENOMEM);
goto out;
}
@@ -502,7 +502,7 @@
rds_conn_slab = kmem_cache_create("rds_connection",
sizeof(struct rds_connection),
0, 0, NULL);
- if (rds_conn_slab == NULL)
+ if (!rds_conn_slab)
return -ENOMEM;
rds_info_register_func(RDS_INFO_CONNECTIONS, rds_conn_info);
diff --git a/net/rds/ib_cm.c b/net/rds/ib_cm.c
index f688327..b46bc2f 100644
--- a/net/rds/ib_cm.c
+++ b/net/rds/ib_cm.c
@@ -230,7 +230,7 @@
* the rds_ibdev at all.
*/
rds_ibdev = ib_get_client_data(dev, &rds_ib_client);
- if (rds_ibdev == NULL) {
+ if (!rds_ibdev) {
if (printk_ratelimit())
printk(KERN_NOTICE "RDS/IB: No client_data for device %s\n",
dev->name);
@@ -306,7 +306,7 @@
ic->i_send_ring.w_nr *
sizeof(struct rds_header),
&ic->i_send_hdrs_dma, GFP_KERNEL);
- if (ic->i_send_hdrs == NULL) {
+ if (!ic->i_send_hdrs) {
ret = -ENOMEM;
rdsdebug("ib_dma_alloc_coherent send failed\n");
goto out;
@@ -316,7 +316,7 @@
ic->i_recv_ring.w_nr *
sizeof(struct rds_header),
&ic->i_recv_hdrs_dma, GFP_KERNEL);
- if (ic->i_recv_hdrs == NULL) {
+ if (!ic->i_recv_hdrs) {
ret = -ENOMEM;
rdsdebug("ib_dma_alloc_coherent recv failed\n");
goto out;
@@ -324,14 +324,14 @@
ic->i_ack = ib_dma_alloc_coherent(dev, sizeof(struct rds_header),
&ic->i_ack_dma, GFP_KERNEL);
- if (ic->i_ack == NULL) {
+ if (!ic->i_ack) {
ret = -ENOMEM;
rdsdebug("ib_dma_alloc_coherent ack failed\n");
goto out;
}
ic->i_sends = vmalloc(ic->i_send_ring.w_nr * sizeof(struct rds_ib_send_work));
- if (ic->i_sends == NULL) {
+ if (!ic->i_sends) {
ret = -ENOMEM;
rdsdebug("send allocation failed\n");
goto out;
@@ -339,7 +339,7 @@
memset(ic->i_sends, 0, ic->i_send_ring.w_nr * sizeof(struct rds_ib_send_work));
ic->i_recvs = vmalloc(ic->i_recv_ring.w_nr * sizeof(struct rds_ib_recv_work));
- if (ic->i_recvs == NULL) {
+ if (!ic->i_recvs) {
ret = -ENOMEM;
rdsdebug("recv allocation failed\n");
goto out;
@@ -693,7 +693,7 @@
/* XXX too lazy? */
ic = kzalloc(sizeof(struct rds_ib_connection), GFP_KERNEL);
- if (ic == NULL)
+ if (!ic)
return -ENOMEM;
INIT_LIST_HEAD(&ic->ib_node);
diff --git a/net/rds/ib_recv.c b/net/rds/ib_recv.c
index c74e990..d0ee9c1 100644
--- a/net/rds/ib_recv.c
+++ b/net/rds/ib_recv.c
@@ -53,7 +53,7 @@
static void rds_ib_frag_free(struct rds_page_frag *frag)
{
rdsdebug("frag %p page %p\n", frag, frag->f_page);
- BUG_ON(frag->f_page != NULL);
+ BUG_ON(frag->f_page);
kmem_cache_free(rds_ib_frag_slab, frag);
}
@@ -143,14 +143,14 @@
struct ib_sge *sge;
int ret = -ENOMEM;
- if (recv->r_ibinc == NULL) {
+ if (!recv->r_ibinc) {
if (!atomic_add_unless(&rds_ib_allocation, 1, rds_ib_sysctl_max_recv_allocation)) {
rds_ib_stats_inc(s_ib_rx_alloc_limit);
goto out;
}
recv->r_ibinc = kmem_cache_alloc(rds_ib_incoming_slab,
kptr_gfp);
- if (recv->r_ibinc == NULL) {
+ if (!recv->r_ibinc) {
atomic_dec(&rds_ib_allocation);
goto out;
}
@@ -158,17 +158,17 @@
rds_inc_init(&recv->r_ibinc->ii_inc, conn, conn->c_faddr);
}
- if (recv->r_frag == NULL) {
+ if (!recv->r_frag) {
recv->r_frag = kmem_cache_alloc(rds_ib_frag_slab, kptr_gfp);
- if (recv->r_frag == NULL)
+ if (!recv->r_frag)
goto out;
INIT_LIST_HEAD(&recv->r_frag->f_item);
recv->r_frag->f_page = NULL;
}
- if (ic->i_frag.f_page == NULL) {
+ if (!ic->i_frag.f_page) {
ic->i_frag.f_page = alloc_page(page_gfp);
- if (ic->i_frag.f_page == NULL)
+ if (!ic->i_frag.f_page)
goto out;
ic->i_frag.f_offset = 0;
}
@@ -757,7 +757,7 @@
* into the inc and save the inc so we can hang upcoming fragments
* off its list.
*/
- if (ibinc == NULL) {
+ if (!ibinc) {
ibinc = recv->r_ibinc;
recv->r_ibinc = NULL;
ic->i_ibinc = ibinc;
@@ -940,13 +940,13 @@
rds_ib_incoming_slab = kmem_cache_create("rds_ib_incoming",
sizeof(struct rds_ib_incoming),
0, 0, NULL);
- if (rds_ib_incoming_slab == NULL)
+ if (!rds_ib_incoming_slab)
goto out;
rds_ib_frag_slab = kmem_cache_create("rds_ib_frag",
sizeof(struct rds_page_frag),
0, 0, NULL);
- if (rds_ib_frag_slab == NULL)
+ if (!rds_ib_frag_slab)
kmem_cache_destroy(rds_ib_incoming_slab);
else
ret = 0;
diff --git a/net/rds/ib_send.c b/net/rds/ib_send.c
index 17fa808..0b0090d 100644
--- a/net/rds/ib_send.c
+++ b/net/rds/ib_send.c
@@ -86,7 +86,7 @@
rm->m_sg, rm->m_nents,
DMA_TO_DEVICE);
- if (rm->m_rdma_op != NULL) {
+ if (rm->m_rdma_op) {
rds_ib_send_unmap_rdma(ic, rm->m_rdma_op);
/* If the user asked for a completion notification on this
@@ -525,7 +525,7 @@
}
/* map the message the first time we see it */
- if (ic->i_rm == NULL) {
+ if (!ic->i_rm) {
/*
printk(KERN_NOTICE "rds_ib_xmit prep msg dport=%u flags=0x%x len=%d\n",
be16_to_cpu(rm->m_inc.i_hdr.h_dport),
diff --git a/net/rds/ib_sysctl.c b/net/rds/ib_sysctl.c
index 03f01cb..c070524 100644
--- a/net/rds/ib_sysctl.c
+++ b/net/rds/ib_sysctl.c
@@ -135,7 +135,7 @@
int __init rds_ib_sysctl_init(void)
{
rds_ib_sysctl_hdr = register_sysctl_paths(rds_ib_sysctl_path, rds_ib_sysctl_table);
- if (rds_ib_sysctl_hdr == NULL)
+ if (!rds_ib_sysctl_hdr)
return -ENOMEM;
return 0;
}
diff --git a/net/rds/info.c b/net/rds/info.c
index c45c417..4fdf1b6 100644
--- a/net/rds/info.c
+++ b/net/rds/info.c
@@ -76,7 +76,7 @@
BUG_ON(optname < RDS_INFO_FIRST || optname > RDS_INFO_LAST);
spin_lock(&rds_info_lock);
- BUG_ON(rds_info_funcs[offset] != NULL);
+ BUG_ON(rds_info_funcs[offset]);
rds_info_funcs[offset] = func;
spin_unlock(&rds_info_lock);
}
@@ -102,7 +102,7 @@
*/
void rds_info_iter_unmap(struct rds_info_iterator *iter)
{
- if (iter->addr != NULL) {
+ if (iter->addr) {
kunmap_atomic(iter->addr, KM_USER0);
iter->addr = NULL;
}
@@ -117,7 +117,7 @@
unsigned long this;
while (bytes) {
- if (iter->addr == NULL)
+ if (!iter->addr)
iter->addr = kmap_atomic(*iter->pages, KM_USER0);
this = min(bytes, PAGE_SIZE - iter->offset);
@@ -188,7 +188,7 @@
>> PAGE_SHIFT;
pages = kmalloc(nr_pages * sizeof(struct page *), GFP_KERNEL);
- if (pages == NULL) {
+ if (!pages) {
ret = -ENOMEM;
goto out;
}
@@ -206,7 +206,7 @@
call_func:
func = rds_info_funcs[optname - RDS_INFO_FIRST];
- if (func == NULL) {
+ if (!func) {
ret = -ENOPROTOOPT;
goto out;
}
@@ -234,7 +234,7 @@
ret = -EFAULT;
out:
- for (i = 0; pages != NULL && i < nr_pages; i++)
+ for (i = 0; pages && i < nr_pages; i++)
put_page(pages[i]);
kfree(pages);
diff --git a/net/rds/iw_cm.c b/net/rds/iw_cm.c
index b5dd6ac..712cf2d 100644
--- a/net/rds/iw_cm.c
+++ b/net/rds/iw_cm.c
@@ -257,7 +257,7 @@
* the rds_iwdev at all.
*/
rds_iwdev = ib_get_client_data(dev, &rds_iw_client);
- if (rds_iwdev == NULL) {
+ if (!rds_iwdev) {
if (printk_ratelimit())
printk(KERN_NOTICE "RDS/IW: No client_data for device %s\n",
dev->name);
@@ -292,7 +292,7 @@
ic->i_send_ring.w_nr *
sizeof(struct rds_header),
&ic->i_send_hdrs_dma, GFP_KERNEL);
- if (ic->i_send_hdrs == NULL) {
+ if (!ic->i_send_hdrs) {
ret = -ENOMEM;
rdsdebug("ib_dma_alloc_coherent send failed\n");
goto out;
@@ -302,7 +302,7 @@
ic->i_recv_ring.w_nr *
sizeof(struct rds_header),
&ic->i_recv_hdrs_dma, GFP_KERNEL);
- if (ic->i_recv_hdrs == NULL) {
+ if (!ic->i_recv_hdrs) {
ret = -ENOMEM;
rdsdebug("ib_dma_alloc_coherent recv failed\n");
goto out;
@@ -310,14 +310,14 @@
ic->i_ack = ib_dma_alloc_coherent(dev, sizeof(struct rds_header),
&ic->i_ack_dma, GFP_KERNEL);
- if (ic->i_ack == NULL) {
+ if (!ic->i_ack) {
ret = -ENOMEM;
rdsdebug("ib_dma_alloc_coherent ack failed\n");
goto out;
}
ic->i_sends = vmalloc(ic->i_send_ring.w_nr * sizeof(struct rds_iw_send_work));
- if (ic->i_sends == NULL) {
+ if (!ic->i_sends) {
ret = -ENOMEM;
rdsdebug("send allocation failed\n");
goto out;
@@ -325,7 +325,7 @@
rds_iw_send_init_ring(ic);
ic->i_recvs = vmalloc(ic->i_recv_ring.w_nr * sizeof(struct rds_iw_recv_work));
- if (ic->i_recvs == NULL) {
+ if (!ic->i_recvs) {
ret = -ENOMEM;
rdsdebug("recv allocation failed\n");
goto out;
@@ -696,7 +696,7 @@
/* XXX too lazy? */
ic = kzalloc(sizeof(struct rds_iw_connection), GFP_KERNEL);
- if (ic == NULL)
+ if (!ic)
return -ENOMEM;
INIT_LIST_HEAD(&ic->iw_node);
diff --git a/net/rds/iw_recv.c b/net/rds/iw_recv.c
index 3d47906..48bcf4f 100644
--- a/net/rds/iw_recv.c
+++ b/net/rds/iw_recv.c
@@ -53,7 +53,7 @@
static void rds_iw_frag_free(struct rds_page_frag *frag)
{
rdsdebug("frag %p page %p\n", frag, frag->f_page);
- BUG_ON(frag->f_page != NULL);
+ BUG_ON(frag->f_page);
kmem_cache_free(rds_iw_frag_slab, frag);
}
@@ -143,14 +143,14 @@
struct ib_sge *sge;
int ret = -ENOMEM;
- if (recv->r_iwinc == NULL) {
+ if (!recv->r_iwinc) {
if (!atomic_add_unless(&rds_iw_allocation, 1, rds_iw_sysctl_max_recv_allocation)) {
rds_iw_stats_inc(s_iw_rx_alloc_limit);
goto out;
}
recv->r_iwinc = kmem_cache_alloc(rds_iw_incoming_slab,
kptr_gfp);
- if (recv->r_iwinc == NULL) {
+ if (!recv->r_iwinc) {
atomic_dec(&rds_iw_allocation);
goto out;
}
@@ -158,17 +158,17 @@
rds_inc_init(&recv->r_iwinc->ii_inc, conn, conn->c_faddr);
}
- if (recv->r_frag == NULL) {
+ if (!recv->r_frag) {
recv->r_frag = kmem_cache_alloc(rds_iw_frag_slab, kptr_gfp);
- if (recv->r_frag == NULL)
+ if (!recv->r_frag)
goto out;
INIT_LIST_HEAD(&recv->r_frag->f_item);
recv->r_frag->f_page = NULL;
}
- if (ic->i_frag.f_page == NULL) {
+ if (!ic->i_frag.f_page) {
ic->i_frag.f_page = alloc_page(page_gfp);
- if (ic->i_frag.f_page == NULL)
+ if (!ic->i_frag.f_page)
goto out;
ic->i_frag.f_offset = 0;
}
@@ -716,7 +716,7 @@
* into the inc and save the inc so we can hang upcoming fragments
* off its list.
*/
- if (iwinc == NULL) {
+ if (!iwinc) {
iwinc = recv->r_iwinc;
recv->r_iwinc = NULL;
ic->i_iwinc = iwinc;
@@ -899,13 +899,13 @@
rds_iw_incoming_slab = kmem_cache_create("rds_iw_incoming",
sizeof(struct rds_iw_incoming),
0, 0, NULL);
- if (rds_iw_incoming_slab == NULL)
+ if (!rds_iw_incoming_slab)
goto out;
rds_iw_frag_slab = kmem_cache_create("rds_iw_frag",
sizeof(struct rds_page_frag),
0, 0, NULL);
- if (rds_iw_frag_slab == NULL)
+ if (!rds_iw_frag_slab)
kmem_cache_destroy(rds_iw_incoming_slab);
else
ret = 0;
diff --git a/net/rds/iw_send.c b/net/rds/iw_send.c
index 52182ff..dced532 100644
--- a/net/rds/iw_send.c
+++ b/net/rds/iw_send.c
@@ -86,7 +86,7 @@
rm->m_sg, rm->m_nents,
DMA_TO_DEVICE);
- if (rm->m_rdma_op != NULL) {
+ if (rm->m_rdma_op) {
rds_iw_send_unmap_rdma(ic, rm->m_rdma_op);
/* If the user asked for a completion notification on this
@@ -556,7 +556,7 @@
}
/* map the message the first time we see it */
- if (ic->i_rm == NULL) {
+ if (!ic->i_rm) {
/*
printk(KERN_NOTICE "rds_iw_xmit prep msg dport=%u flags=0x%x len=%d\n",
be16_to_cpu(rm->m_inc.i_hdr.h_dport),
diff --git a/net/rds/iw_sysctl.c b/net/rds/iw_sysctl.c
index 1c4428a..3cb0587 100644
--- a/net/rds/iw_sysctl.c
+++ b/net/rds/iw_sysctl.c
@@ -125,7 +125,7 @@
int __init rds_iw_sysctl_init(void)
{
rds_iw_sysctl_hdr = register_sysctl_paths(rds_iw_sysctl_path, rds_iw_sysctl_table);
- if (rds_iw_sysctl_hdr == NULL)
+ if (!rds_iw_sysctl_hdr)
return -ENOMEM;
return 0;
}
diff --git a/net/rds/loop.c b/net/rds/loop.c
index dd98793..a74b469 100644
--- a/net/rds/loop.c
+++ b/net/rds/loop.c
@@ -112,7 +112,7 @@
unsigned long flags;
lc = kzalloc(sizeof(struct rds_loop_connection), GFP_KERNEL);
- if (lc == NULL)
+ if (!lc)
return -ENOMEM;
INIT_LIST_HEAD(&lc->loop_node);
diff --git a/net/rds/message.c b/net/rds/message.c
index 9a1d67e..809656c 100644
--- a/net/rds/message.c
+++ b/net/rds/message.c
@@ -240,7 +240,7 @@
unsigned int i;
rm = rds_message_alloc(ceil(total_len, PAGE_SIZE), GFP_KERNEL);
- if (rm == NULL)
+ if (!rm)
return ERR_PTR(-ENOMEM);
set_bit(RDS_MSG_PAGEVEC, &rm->m_flags);
@@ -284,7 +284,7 @@
sg_off = 0; /* Dear gcc, sg->page will be null from kzalloc. */
while (total_len) {
- if (sg_page(sg) == NULL) {
+ if (!sg_page(sg)) {
ret = rds_page_remainder_alloc(sg, total_len,
GFP_HIGHUSER);
if (ret)
diff --git a/net/rds/page.c b/net/rds/page.c
index 595a952..e5b2527 100644
--- a/net/rds/page.c
+++ b/net/rds/page.c
@@ -116,7 +116,7 @@
/* jump straight to allocation if we're trying for a huge page */
if (bytes >= PAGE_SIZE) {
page = alloc_page(gfp);
- if (page == NULL) {
+ if (!page) {
ret = -ENOMEM;
} else {
sg_set_page(scat, page, PAGE_SIZE, 0);
@@ -162,7 +162,7 @@
rem = &per_cpu(rds_page_remainders, get_cpu());
local_irq_save(flags);
- if (page == NULL) {
+ if (!page) {
ret = -ENOMEM;
break;
}
diff --git a/net/rds/rdma.c b/net/rds/rdma.c
index 463b458..dee698b 100644
--- a/net/rds/rdma.c
+++ b/net/rds/rdma.c
@@ -189,7 +189,7 @@
goto out;
}
- if (rs->rs_transport->get_mr == NULL) {
+ if (!rs->rs_transport->get_mr) {
ret = -EOPNOTSUPP;
goto out;
}
@@ -205,13 +205,13 @@
/* XXX clamp nr_pages to limit the size of this alloc? */
pages = kcalloc(nr_pages, sizeof(struct page *), GFP_KERNEL);
- if (pages == NULL) {
+ if (!pages) {
ret = -ENOMEM;
goto out;
}
mr = kzalloc(sizeof(struct rds_mr), GFP_KERNEL);
- if (mr == NULL) {
+ if (!mr) {
ret = -ENOMEM;
goto out;
}
@@ -244,7 +244,7 @@
nents = ret;
sg = kcalloc(nents, sizeof(*sg), GFP_KERNEL);
- if (sg == NULL) {
+ if (!sg) {
ret = -ENOMEM;
goto out;
}
@@ -425,7 +425,7 @@
/* May have to issue a dma_sync on this memory region.
* Note we could avoid this if the operation was a RDMA READ,
* but at this point we can't tell. */
- if (mr != NULL) {
+ if (mr) {
if (mr->r_trans->sync_mr)
mr->r_trans->sync_mr(mr->r_trans_private, DMA_FROM_DEVICE);
@@ -511,13 +511,13 @@
}
pages = kcalloc(max_pages, sizeof(struct page *), GFP_KERNEL);
- if (pages == NULL) {
+ if (!pages) {
ret = -ENOMEM;
goto out;
}
op = kzalloc(offsetof(struct rds_rdma_op, r_sg[nr_pages]), GFP_KERNEL);
- if (op == NULL) {
+ if (!op) {
ret = -ENOMEM;
goto out;
}
@@ -643,7 +643,7 @@
struct rds_rdma_op *op;
if (cmsg->cmsg_len < CMSG_LEN(sizeof(struct rds_rdma_args)) ||
- rm->m_rdma_op != NULL)
+ rm->m_rdma_op)
return -EINVAL;
op = rds_rdma_prepare(rs, CMSG_DATA(cmsg));
@@ -681,7 +681,7 @@
spin_lock_irqsave(&rs->rs_rdma_lock, flags);
mr = rds_mr_tree_walk(&rs->rs_rdma_keys, r_key, NULL);
- if (mr == NULL)
+ if (!mr)
err = -EINVAL; /* invalid r_key */
else
atomic_inc(&mr->r_refcount);
diff --git a/net/rds/recv.c b/net/rds/recv.c
index c93588c..88f1f5a 100644
--- a/net/rds/recv.c
+++ b/net/rds/recv.c
@@ -210,7 +210,7 @@
}
rs = rds_find_bound(daddr, inc->i_hdr.h_dport);
- if (rs == NULL) {
+ if (!rs) {
rds_stats_inc(s_recv_drop_no_sock);
goto out;
}
@@ -251,7 +251,7 @@
{
unsigned long flags;
- if (*inc == NULL) {
+ if (!*inc) {
read_lock_irqsave(&rs->rs_recv_lock, flags);
if (!list_empty(&rs->rs_recv_queue)) {
*inc = list_entry(rs->rs_recv_queue.next,
diff --git a/net/rds/send.c b/net/rds/send.c
index 725fb04..817997d 100644
--- a/net/rds/send.c
+++ b/net/rds/send.c
@@ -164,7 +164,7 @@
* offset and S/G temporaries.
*/
rm = conn->c_xmit_rm;
- if (rm != NULL &&
+ if (rm &&
conn->c_xmit_hdr_off == sizeof(struct rds_header) &&
conn->c_xmit_sg == rm->m_nents) {
conn->c_xmit_rm = NULL;
@@ -180,8 +180,8 @@
/* If we're asked to send a cong map update, do so.
*/
- if (rm == NULL && test_and_clear_bit(0, &conn->c_map_queued)) {
- if (conn->c_trans->xmit_cong_map != NULL) {
+ if (!rm && test_and_clear_bit(0, &conn->c_map_queued)) {
+ if (conn->c_trans->xmit_cong_map) {
conn->c_map_offset = 0;
conn->c_map_bytes = sizeof(struct rds_header) +
RDS_CONG_MAP_BYTES;
@@ -204,7 +204,7 @@
* the connction. We can use this ref while holding the
* send_sem.. rds_send_reset() is serialized with it.
*/
- if (rm == NULL) {
+ if (!rm) {
unsigned int len;
spin_lock_irqsave(&conn->c_lock, flags);
@@ -224,7 +224,7 @@
spin_unlock_irqrestore(&conn->c_lock, flags);
- if (rm == NULL) {
+ if (!rm) {
was_empty = 1;
break;
}
@@ -875,7 +875,7 @@
goto out;
if ((rm->m_rdma_cookie || rm->m_rdma_op) &&
- conn->c_trans->xmit_rdma == NULL) {
+ !conn->c_trans->xmit_rdma) {
if (printk_ratelimit())
printk(KERN_NOTICE "rdma_op %p conn xmit_rdma %p\n",
rm->m_rdma_op, conn->c_trans->xmit_rdma);
@@ -961,7 +961,7 @@
int ret = 0;
rm = rds_message_alloc(0, GFP_ATOMIC);
- if (rm == NULL) {
+ if (!rm) {
ret = -ENOMEM;
goto out;
}
diff --git a/net/rds/sysctl.c b/net/rds/sysctl.c
index 7829a20..5a6dd81 100644
--- a/net/rds/sysctl.c
+++ b/net/rds/sysctl.c
@@ -111,7 +111,7 @@
rds_sysctl_reconnect_min_jiffies = rds_sysctl_reconnect_min;
rds_sysctl_reg_table = register_sysctl_paths(rds_sysctl_path, rds_sysctl_rds_table);
- if (rds_sysctl_reg_table == NULL)
+ if (!rds_sysctl_reg_table)
return -ENOMEM;
return 0;
}
diff --git a/net/rds/tcp.c b/net/rds/tcp.c
index babf457..aebe103 100644
--- a/net/rds/tcp.c
+++ b/net/rds/tcp.c
@@ -200,7 +200,7 @@
struct rds_tcp_connection *tc;
tc = kmem_cache_alloc(rds_tcp_conn_slab, gfp);
- if (tc == NULL)
+ if (!tc)
return -ENOMEM;
tc->t_sock = NULL;
@@ -283,7 +283,7 @@
rds_tcp_conn_slab = kmem_cache_create("rds_tcp_connection",
sizeof(struct rds_tcp_connection),
0, 0, NULL);
- if (rds_tcp_conn_slab == NULL) {
+ if (!rds_tcp_conn_slab) {
ret = -ENOMEM;
goto out;
}
diff --git a/net/rds/tcp_connect.c b/net/rds/tcp_connect.c
index c397524..a65ee78 100644
--- a/net/rds/tcp_connect.c
+++ b/net/rds/tcp_connect.c
@@ -45,7 +45,7 @@
read_lock(&sk->sk_callback_lock);
conn = sk->sk_user_data;
- if (conn == NULL) {
+ if (!conn) {
state_change = sk->sk_state_change;
goto out;
}
diff --git a/net/rds/tcp_listen.c b/net/rds/tcp_listen.c
index 975183f..50b649e 100644
--- a/net/rds/tcp_listen.c
+++ b/net/rds/tcp_listen.c
@@ -116,7 +116,7 @@
read_lock(&sk->sk_callback_lock);
ready = sk->sk_user_data;
- if (ready == NULL) { /* check for teardown race */
+ if (!ready) { /* check for teardown race */
ready = sk->sk_data_ready;
goto out;
}
@@ -178,7 +178,7 @@
struct socket *sock = rds_tcp_listen_sock;
struct sock *sk;
- if (sock == NULL)
+ if (!sock)
return;
sk = sock->sk;
diff --git a/net/rds/tcp_recv.c b/net/rds/tcp_recv.c
index 1aba687..ea73829 100644
--- a/net/rds/tcp_recv.c
+++ b/net/rds/tcp_recv.c
@@ -190,10 +190,10 @@
* processing.
*/
while (left) {
- if (tinc == NULL) {
+ if (!tinc) {
tinc = kmem_cache_alloc(rds_tcp_incoming_slab,
arg->gfp);
- if (tinc == NULL) {
+ if (!tinc) {
desc->error = -ENOMEM;
goto out;
}
@@ -229,7 +229,7 @@
if (left && tc->t_tinc_data_rem) {
clone = skb_clone(skb, arg->gfp);
- if (clone == NULL) {
+ if (!clone) {
desc->error = -ENOMEM;
goto out;
}
@@ -326,7 +326,7 @@
read_lock(&sk->sk_callback_lock);
conn = sk->sk_user_data;
- if (conn == NULL) { /* check for teardown race */
+ if (!conn) { /* check for teardown race */
ready = sk->sk_data_ready;
goto out;
}
@@ -347,7 +347,7 @@
rds_tcp_incoming_slab = kmem_cache_create("rds_tcp_incoming",
sizeof(struct rds_tcp_incoming),
0, 0, NULL);
- if (rds_tcp_incoming_slab == NULL)
+ if (!rds_tcp_incoming_slab)
return -ENOMEM;
return 0;
}
diff --git a/net/rds/tcp_send.c b/net/rds/tcp_send.c
index a28b895..e5f6cce 100644
--- a/net/rds/tcp_send.c
+++ b/net/rds/tcp_send.c
@@ -226,7 +226,7 @@
read_lock(&sk->sk_callback_lock);
conn = sk->sk_user_data;
- if (conn == NULL) {
+ if (!conn) {
write_space = sk->sk_write_space;
goto out;
}
diff --git a/net/rds/threads.c b/net/rds/threads.c
index 6e2e43d..7a8ca7a 100644
--- a/net/rds/threads.c
+++ b/net/rds/threads.c
@@ -215,7 +215,7 @@
int __init rds_threads_init(void)
{
rds_wq = create_workqueue("krdsd");
- if (rds_wq == NULL)
+ if (!rds_wq)
return -ENOMEM;
return 0;