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snmp: Fix a memory leak

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Check the value of vbi->ident before replacing it with vbo->ident.
This commit is contained in:
Fatih Aşıcı 2013-06-28 15:24:57 +03:00 committed by goldsimon
parent 3c40d93f36
commit 0a8c53575c
1 changed files with 5 additions and 0 deletions
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5
src/core/snmp/msg_in.c
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@ -110,6 +110,11 @@ snmp_error_response(struct snmp_msg_pstat *msg_ps, u8_t error)
struct snmp_varbind *vbi = msg_ps->invb.head;
struct snmp_varbind *vbo = msg_ps->outvb.head;
for (v=0; v<msg_ps->vb_idx; v++) {
if (vbi->ident != NULL )
{
memp_free(MEMP_SNMP_VALUE, vbi->ident);
}
vbi->ident_len = vbo->ident_len;
vbo->ident_len = 0;
vbi->ident = vbo->ident;