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staging: lustre: lnet: lib-move: Use list_for_each_entry_safe

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Doubly linked lists which are  iterated  using list_empty
and list_entry macros have been replaced with list_for_each_entry_safe
macro.
This makes the iteration simpler and more readable.

This patch replaces the while loop containing list_empty and list_entry
with list_for_each_entry_safe.

This was done with Coccinelle.

@@
expression E1;
identifier I1, I2;
type T;
iterator name list_for_each_entry_safe;
@@

T *I1;
+ T *tmp;
...
- while (list_empty(&E1) == 0)
+ list_for_each_entry_safe (I1, tmp, &E1, I2)
{
...when != T *I1;
- I1 = list_entry(E1.next, T, I2);
...
}

Signed-off-by: Bhaktipriya Shridhar <bhaktipriya96@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Bhaktipriya Shridhar 2016-03-12 01:30:15 +05:30 • committed by Greg Kroah-Hartman
commit 24f6959094
1 changed files with 4 additions and 5 deletions
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9
drivers/staging/lustre/lnet/lnet/lib-move.c
View file

@ -50,6 +50,7 @@ int
lnet_fail_nid(lnet_nid_t nid, unsigned int threshold)
{
lnet_test_peer_t *tp;
lnet_test_peer_t *temp;
struct list_head *el;
struct list_head *next;
struct list_head cull;
@ -88,9 +89,7 @@ lnet_fail_nid(lnet_nid_t nid, unsigned int threshold)
lnet_net_unlock(0);
while (!list_empty(&cull)) {
tp = list_entry(cull.next, lnet_test_peer_t, tp_list);
list_for_each_entry_safe(tp, temp, &cull, tp_list) {
list_del(&tp->tp_list);
LIBCFS_FREE(tp, sizeof(*tp));
}
@ -101,6 +100,7 @@ static int
fail_peer(lnet_nid_t nid, int outgoing)
{
lnet_test_peer_t *tp;
lnet_test_peer_t *temp;
struct list_head *el;
struct list_head *next;
struct list_head cull;
@ -147,8 +147,7 @@ fail_peer(lnet_nid_t nid, int outgoing)
lnet_net_unlock(0);
while (!list_empty(&cull)) {
tp = list_entry(cull.next, lnet_test_peer_t, tp_list);
list_for_each_entry_safe(tp, temp, &cull, tp_list) {
list_del(&tp->tp_list);
LIBCFS_FREE(tp, sizeof(*tp));