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author | Allan Stephens <allan.stephens@windriver.com> | 2006-06-25 23:38:29 -0700 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2006-06-25 23:38:29 -0700 |
commit | 49384507896ee26e67266cebef6b6a9f2e31081c (patch) | |
tree | 0a1dd7ef172455c7a433755277c331e3690c10bf | |
parent | 2535ec50b7a51833ff65dc97ca85e1155d4090f8 (diff) | |
download | linux-3.10-49384507896ee26e67266cebef6b6a9f2e31081c.tar.gz linux-3.10-49384507896ee26e67266cebef6b6a9f2e31081c.tar.bz2 linux-3.10-49384507896ee26e67266cebef6b6a9f2e31081c.zip |
[TIPC]: Corrected potential misuse of tipc_media_addr structure.
Signed-off-by: Allan Stephens <allan.stephens@windriver.com>
Signed-off-by: Per Liden <per.liden@ericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r-- | include/net/tipc/tipc_bearer.h | 12 | ||||
-rw-r--r-- | net/tipc/eth_media.c | 4 |
2 files changed, 13 insertions, 3 deletions
diff --git a/include/net/tipc/tipc_bearer.h b/include/net/tipc/tipc_bearer.h index 098607cd4b7..e07136d74c2 100644 --- a/include/net/tipc/tipc_bearer.h +++ b/include/net/tipc/tipc_bearer.h @@ -49,10 +49,18 @@ #define TIPC_MEDIA_TYPE_ETH 1 +/* + * Destination address structure used by TIPC bearers when sending messages + * + * IMPORTANT: The fields of this structure MUST be stored using the specified + * byte order indicated below, as the structure is exchanged between nodes + * as part of a link setup process. + */ + struct tipc_media_addr { - __u32 type; + __u32 type; /* bearer type (network byte order) */ union { - __u8 eth_addr[6]; /* Ethernet bearer */ + __u8 eth_addr[6]; /* 48 bit Ethernet addr (byte array) */ #if 0 /* Prototypes for other possible bearer types */ diff --git a/net/tipc/eth_media.c b/net/tipc/eth_media.c index b64661904e0..3ecb1006a42 100644 --- a/net/tipc/eth_media.c +++ b/net/tipc/eth_media.c @@ -254,7 +254,9 @@ int tipc_eth_media_start(void) if (eth_started) return -EINVAL; - memset(&bcast_addr, 0xff, sizeof(bcast_addr)); + bcast_addr.type = htonl(TIPC_MEDIA_TYPE_ETH); + memset(&bcast_addr.dev_addr, 0xff, ETH_ALEN); + memset(eth_bearers, 0, sizeof(eth_bearers)); res = tipc_register_media(TIPC_MEDIA_TYPE_ETH, "eth", |