diff options
| author | Marek Lindner <lindner_marek@yahoo.de> | 2012-02-07 09:20:48 (GMT) |
|---|---|---|
| committer | Antonio Quartulli <ordex@autistici.org> | 2012-04-18 07:53:59 (GMT) |
| commit | 77af7575c4b11ce7d27b4cb372abd358b2dcd850 (patch) | |
| tree | 7e29c816a445dbce85758313685046edb98844d5 /net/batman-adv/bat_iv_ogm.c | |
| parent | 00a50076a3afa4014cdd57e87e31a00ce4c4b67e (diff) | |
| download | linux-fsl-qoriq-77af7575c4b11ce7d27b4cb372abd358b2dcd850.tar.xz | |
batman-adv: handle routing code initialization properly
Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
Signed-off-by: Antonio Quartulli <ordex@autistici.org>
Diffstat (limited to 'net/batman-adv/bat_iv_ogm.c')
| -rw-r--r-- | net/batman-adv/bat_iv_ogm.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/net/batman-adv/bat_iv_ogm.c b/net/batman-adv/bat_iv_ogm.c index 4cc66db..2714670 100644 --- a/net/batman-adv/bat_iv_ogm.c +++ b/net/batman-adv/bat_iv_ogm.c @@ -30,10 +30,11 @@ #include "send.h" #include "bat_algo.h" -static void bat_iv_ogm_iface_enable(struct hard_iface *hard_iface) +static int bat_iv_ogm_iface_enable(struct hard_iface *hard_iface) { struct batman_ogm_packet *batman_ogm_packet; uint32_t random_seqno; + int res = -1; /* randomize initial seqno to avoid collision */ get_random_bytes(&random_seqno, sizeof(random_seqno)); @@ -42,6 +43,9 @@ static void bat_iv_ogm_iface_enable(struct hard_iface *hard_iface) hard_iface->packet_len = BATMAN_OGM_LEN; hard_iface->packet_buff = kmalloc(hard_iface->packet_len, GFP_ATOMIC); + if (!hard_iface->packet_buff) + goto out; + batman_ogm_packet = (struct batman_ogm_packet *)hard_iface->packet_buff; batman_ogm_packet->header.packet_type = BAT_OGM; batman_ogm_packet->header.version = COMPAT_VERSION; @@ -50,6 +54,11 @@ static void bat_iv_ogm_iface_enable(struct hard_iface *hard_iface) batman_ogm_packet->tq = TQ_MAX_VALUE; batman_ogm_packet->tt_num_changes = 0; batman_ogm_packet->ttvn = 0; + + res = 0; + +out: + return res; } static void bat_iv_ogm_iface_disable(struct hard_iface *hard_iface) |