d/numam-dpdk
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

net/bonding: fix buffer length when printing strings

Browse Source 
Using the size of the source string is incorrect when printing using
snprintf. Instead pass in the buffer size to be used appropriately.

Fixes: 457ecf2953 ("bond: add debug info for mode 6")
Cc: stable@dpdk.org

Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>
This commit is contained in:
Bruce Richardson 2019-04-03 15:45:01 +01:00 committed by Thomas Monjalon
parent 70d284ab82
commit f4206d1642
1 changed files with 10 additions and 13 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

23
drivers/net/bonding/rte_eth_bond_pmd.c
View File

@ -489,35 +489,31 @@ uint32_t burstnumberTX;
#ifdef RTE_LIBRTE_BOND_DEBUG_ALB
static void
arp_op_name(uint16_t arp_op, char *buf)
arp_op_name(uint16_t arp_op, char *buf, size_t buf_len)
{
switch (arp_op) {
case ARP_OP_REQUEST:
snprintf(buf, sizeof("ARP Request"), "%s", "ARP Request");
snprintf(buf, buf_len, "%s", "ARP Request");
return;
case ARP_OP_REPLY:
snprintf(buf, sizeof("ARP Reply"), "%s", "ARP Reply");
snprintf(buf, buf_len, "%s", "ARP Reply");
return;
case ARP_OP_REVREQUEST:
snprintf(buf, sizeof("Reverse ARP Request"), "%s",
"Reverse ARP Request");
snprintf(buf, buf_len, "%s", "Reverse ARP Request");
return;
case ARP_OP_REVREPLY:
snprintf(buf, sizeof("Reverse ARP Reply"), "%s",
"Reverse ARP Reply");
snprintf(buf, buf_len, "%s", "Reverse ARP Reply");
return;
case ARP_OP_INVREQUEST:
snprintf(buf, sizeof("Peer Identify Request"), "%s",
"Peer Identify Request");
snprintf(buf, buf_len, "%s", "Peer Identify Request");
return;
case ARP_OP_INVREPLY:
snprintf(buf, sizeof("Peer Identify Reply"), "%s",
"Peer Identify Reply");
snprintf(buf, buf_len, "%s", "Peer Identify Reply");
return;
default:
break;
}
snprintf(buf, sizeof("Unknown"), "%s", "Unknown");
snprintf(buf, buf_len, "%s", "Unknown");
return;
}
#endif
@ -621,7 +617,8 @@ mode6_debug(const char __attribute__((unused)) *info, struct ether_hdr *eth_h,
arp_h = (struct arp_hdr *)((char *)(eth_h + 1) + offset);
ipv4_addr_to_dot(arp_h->arp_data.arp_sip, src_ip, MaxIPv4String);
ipv4_addr_to_dot(arp_h->arp_data.arp_tip, dst_ip, MaxIPv4String);
arp_op_name(rte_be_to_cpu_16(arp_h->arp_op), ArpOp);
arp_op_name(rte_be_to_cpu_16(arp_h->arp_op),
ArpOp, sizeof(ArpOp));
MODE6_DEBUG(buf, src_ip, dst_ip, eth_h, ArpOp, port, *burstnumber);
}
#endif