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Staging: lustre: lnet: Use list_first_entry_or_null

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This patch replaces list_empty and list_entry with
list_first_entry_or_null.
Done using coccinelle:

@@
expression e1,e2;
statement S;
@@
- if(!list_empty(...)){
  e2=
- list_entry(e1.next,
+ list_first_entry_or_null(&e1,
  ...);
+ if(e2){
...
}

Signed-off-by: Bhumika Goyal <bhumirks@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Bhumika Goyal 2016-03-06 20:08:44 +05:30 • committed by Greg Kroah-Hartman
commit 2d513ef6c3
2 changed files with 6 additions and 8 deletions
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7
drivers/staging/lustre/lnet/selftest/conrpc.c
View file

@ -123,11 +123,10 @@ lstcon_rpc_prep(lstcon_node_t *nd, int service, unsigned feats,
spin_lock(&console_session.ses_rpc_lock);
if (!list_empty(&console_session.ses_rpc_freelist)) {
crpc = list_entry(console_session.ses_rpc_freelist.next,
lstcon_rpc_t, crp_link);
crpc = list_first_entry_or_null(&console_session.ses_rpc_freelist,
lstcon_rpc_t, crp_link);
if (crpc)
list_del_init(&crpc->crp_link);
}
spin_unlock(&console_session.ses_rpc_lock);

7
drivers/staging/lustre/lnet/selftest/framework.c
View file

@ -919,11 +919,10 @@ sfw_create_test_rpc(sfw_test_unit_t *tsu, lnet_process_id_t peer,
spin_lock(&tsi->tsi_lock);
LASSERT(sfw_test_active(tsi));
if (!list_empty(&tsi->tsi_free_rpcs)) {
/* pick request from buffer */
rpc = list_entry(tsi->tsi_free_rpcs.next,
srpc_client_rpc_t, crpc_list);
rpc = list_first_entry_or_null(&tsi->tsi_free_rpcs,
srpc_client_rpc_t, crpc_list);
if (rpc) {
LASSERT(nblk == rpc->crpc_bulk.bk_niov);
list_del_init(&rpc->crpc_list);
}