diff options
| -rw-r--r-- | lib/resource.h | 1 | ||||
| -rw-r--r-- | lib/slab.c | 24 | ||||
| -rw-r--r-- | proto/babel/babel.c | 7 | ||||
| -rw-r--r-- | proto/babel/packets.c | 8 |
4 files changed, 32 insertions, 8 deletions
diff --git a/lib/resource.h b/lib/resource.h index ad17d9ed..b56bcff5 100644 --- a/lib/resource.h +++ b/lib/resource.h @@ -83,6 +83,7 @@ typedef struct slab slab; slab *sl_new(pool *, unsigned size); void *sl_alloc(slab *); +void *sl_allocz(slab *); void sl_free(slab *, void *); /* @@ -88,6 +88,14 @@ sl_alloc(slab *s) return o->data; } +void * +sl_allocz(slab *s) +{ + void *obj = sl_alloc(s); + memset(obj, 0, s->size); + return obj; +} + void sl_free(slab *s, void *oo) { @@ -279,6 +287,22 @@ no_partial: } /** + * sl_allocz - allocate an object from Slab and zero it + * @s: slab + * + * sl_allocz() allocates space for a single object from the + * Slab and returns a pointer to the object after zeroing out + * the object memory. + */ +void * +sl_allocz(slab *s) +{ + void *obj = sl_alloc(s); + memset(obj, 0, s->data_size); + return obj; +} + +/** * sl_free - return a free object back to a Slab * @s: slab * @oo: object returned by sl_alloc() diff --git a/proto/babel/babel.c b/proto/babel/babel.c index 618abaa8..4b6b9d7f 100644 --- a/proto/babel/babel.c +++ b/proto/babel/babel.c @@ -113,7 +113,7 @@ babel_get_source(struct babel_proto *p, struct babel_entry *e, u64 router_id) if (s) return s; - s = sl_alloc(p->source_slab); + s = sl_allocz(p->source_slab); s->router_id = router_id; s->expires = current_time() + BABEL_GARBAGE_INTERVAL; s->seqno = 0; @@ -159,8 +159,7 @@ babel_get_route(struct babel_proto *p, struct babel_entry *e, struct babel_neigh if (r) return r; - r = sl_alloc(p->route_slab); - memset(r, 0, sizeof(*r)); + r = sl_allocz(p->route_slab); r->e = e; r->neigh = nbr; @@ -323,7 +322,7 @@ babel_add_seqno_request(struct babel_proto *p, struct babel_entry *e, } /* No entries found */ - sr = sl_alloc(p->seqno_slab); + sr = sl_allocz(p->seqno_slab); found: sr->router_id = router_id; diff --git a/proto/babel/packets.c b/proto/babel/packets.c index d4ecf649..415ac3f9 100644 --- a/proto/babel/packets.c +++ b/proto/babel/packets.c @@ -1144,7 +1144,6 @@ babel_read_tlv(struct babel_tlv *hdr, return PARSE_ERROR; state->current_tlv_endpos = tlv_data[hdr->type].min_length; - memset(msg, 0, sizeof(*msg)); int res = tlv_data[hdr->type].read_tlv(hdr, msg, state); if (res != PARSE_SUCCESS) @@ -1278,7 +1277,7 @@ babel_send_unicast(union babel_msg *msg, struct babel_iface *ifa, ip_addr dest) struct babel_msg_node *msgn = sl_alloc(p->msg_slab); list queue; - msgn->msg = *msg; + *msgn = (struct babel_msg_node) { .msg = *msg }; init_list(&queue); add_tail(&queue, NODE msgn); babel_write_queue(ifa, &queue); @@ -1305,7 +1304,8 @@ babel_enqueue(union babel_msg *msg, struct babel_iface *ifa) { struct babel_proto *p = ifa->proto; struct babel_msg_node *msgn = sl_alloc(p->msg_slab); - msgn->msg = *msg; + + *msgn = (struct babel_msg_node) { .msg = *msg }; add_tail(&ifa->msg_queue, NODE msgn); babel_kick_queue(ifa); } @@ -1386,7 +1386,7 @@ babel_process_packet(struct babel_pkt_header *pkt, int len, break; } - msg = sl_alloc(p->msg_slab); + msg = sl_allocz(p->msg_slab); res = babel_read_tlv(tlv, &msg->msg, &state); if (res == PARSE_SUCCESS) { |