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[TIPC]: Fix simple sparse warnings

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Tried to run the new tipc stack through sparse.
Following patch fixes all cases where 0 was used
as replacement of NULL.
Use NULL to document this is a pointer and to silence sparse.

This brough sparse warning count down with 127 to 24 warnings.

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Per Liden <per.liden@ericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Sam Ravnborg 2006-03-20 22:36:47 -08:00 • committed by David S. Miller
parent edb2c34fb2
commit 1fc54d8f49
21 changed files with 127 additions and 127 deletions
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28
net/tipc/link.c
View file

@ -573,7 +573,7 @@ void tipc_link_wakeup_ports(struct link *l_ptr, int all)
if (win <= 0)
break;
list_del_init(&p_ptr->wait_list);
p_ptr->congested_link = 0;
p_ptr->congested_link = NULL;
assert(p_ptr->wakeup);
spin_lock_bh(p_ptr->publ.lock);
p_ptr->publ.congested = 0;
@ -1355,7 +1355,7 @@ again:
fragm_crs = 0;
fragm_rest = 0;
sect_rest = 0;
sect_crs = 0;
sect_crs = NULL;
curr_sect = -1;
/* Prepare reusable fragment header: */
@ -1549,7 +1549,7 @@ u32 tipc_link_push_packet(struct link *l_ptr)
msg_dbg(buf_msg(buf), ">DEF-PROT>");
l_ptr->unacked_window = 0;
buf_discard(buf);
l_ptr->proto_msg_queue = 0;
l_ptr->proto_msg_queue = NULL;
return TIPC_OK;
} else {
msg_dbg(buf_msg(buf), "|>DEF-PROT>");
@ -1860,7 +1860,7 @@ u32 tipc_link_defer_pkt(struct sk_buff **head,
struct sk_buff **tail,
struct sk_buff *buf)
{
struct sk_buff *prev = 0;
struct sk_buff *prev = NULL;
struct sk_buff *crs = *head;
u32 seq_no = msg_seqno(buf_msg(buf));
@ -1953,7 +1953,7 @@ static void link_handle_out_of_seq_msg(struct link *l_ptr,
void tipc_link_send_proto_msg(struct link *l_ptr, u32 msg_typ, int probe_msg,
u32 gap, u32 tolerance, u32 priority, u32 ack_mtu)
{
struct sk_buff *buf = 0;
struct sk_buff *buf = NULL;
struct tipc_msg *msg = l_ptr->pmsg;
u32 msg_size = sizeof(l_ptr->proto_msg);
@ -2426,7 +2426,7 @@ static int link_recv_changeover_msg(struct link **l_ptr,
}
}
exit:
*buf = 0;
*buf = NULL;
buf_discard(tunnel_buf);
return 0;
}
@ -2586,13 +2586,13 @@ static inline void incr_timer_cnt(struct sk_buff *buf)
int tipc_link_recv_fragment(struct sk_buff **pending, struct sk_buff **fb,
struct tipc_msg **m)
{
struct sk_buff *prev = 0;
struct sk_buff *prev = NULL;
struct sk_buff *fbuf = *fb;
struct tipc_msg *fragm = buf_msg(fbuf);
struct sk_buff *pbuf = *pending;
u32 long_msg_seq_no = msg_long_msgno(fragm);
*fb = 0;
*fb = NULL;
msg_dbg(fragm,"FRG<REC<");
/* Is there an incomplete message waiting for this fragment? */
@ -2670,8 +2670,8 @@ int tipc_link_recv_fragment(struct sk_buff **pending, struct sk_buff **fb,
static void link_check_defragm_bufs(struct link *l_ptr)
{
struct sk_buff *prev = 0;
struct sk_buff *next = 0;
struct sk_buff *prev = NULL;
struct sk_buff *next = NULL;
struct sk_buff *buf = l_ptr->defragm_buf;
if (!buf)
@ -2750,19 +2750,19 @@ static struct link *link_find_link(const char *name, struct node **node)
struct link *l_ptr;
if (!link_name_validate(name, &link_name_parts))
return 0;
return NULL;
b_ptr = tipc_bearer_find_interface(link_name_parts.if_local);
if (!b_ptr)
return 0;
return NULL;
*node = tipc_node_find(link_name_parts.addr_peer);
if (!*node)
return 0;
return NULL;
l_ptr = (*node)->links[b_ptr->identity];
if (!l_ptr || strcmp(l_ptr->name, name))
return 0;
return NULL;
return l_ptr;
}