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Do not use bzero() for the O_ICMP6TYPE opcode.

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The buffer is already zeroed in compile_rule() function, and also it
may contain configured F_NOT flag in o.len field. This fixes the filling
for "not icmp6types" opcode.

PR:		232939
MFC after:	3 days
This commit is contained in:
Andrey V. Elsukov 2018-11-03 20:05:50 +00:00
parent 01b7ad0400
commit 880d3c76b5
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=340100
1 changed files with 0 additions and 2 deletions
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2
sbin/ipfw/ipv6.c
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@ -143,8 +143,6 @@ fill_icmp6types(ipfw_insn_icmp6 *cmd, char *av, int cblen)
uint8_t type;
CHECK_LENGTH(cblen, F_INSN_SIZE(ipfw_insn_icmp6));
bzero(cmd, sizeof(*cmd));
while (*av) {
if (*av == ',')
av++;