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RDS: cleanup: remove "== NULL"s and "!= NULL"s in ptr comparisons

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Favor "if (foo)" style over "if (foo != NULL)".

Signed-off-by: Andy Grover <andy.grover@oracle.com>
This commit is contained in:
Andy Grover
2010-01-12 11:56:44 -08:00
parent 2dc3935734
commit 8690bfa17a
26 changed files with 90 additions and 90 deletions
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20
net/rds/iw_recv.c
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@@ -53,7 +53,7 @@ static void rds_iw_frag_drop_page(struct rds_page_frag *frag)
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 @@ static int rds_iw_recv_refill_one(struct rds_connection *conn,
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 @@ static int rds_iw_recv_refill_one(struct rds_connection *conn,
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 @@ static void rds_iw_process_recv(struct rds_connection *conn,
* 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 @@ int __init rds_iw_recv_init(void)
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;