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fix potential null pointer dereference found by Coverity

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CID 355460 (#1 of 1): Dereference before null check (REVERSE_INULL)check_after_deref: Null-checking p suggests that it may be null, but it has already been dereferenced on all paths leading to the check.
737                if (p == NULL)
738                {
739                        return false;
740                }
This commit is contained in:
Ilya Shipitsin 2021-02-24 00:26:44 +05:00
parent a08857150b
commit 2715d80e18
1 changed files with 6 additions and 6 deletions
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12
src/Cedar/Proto_PPP.c
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@ -721,6 +721,12 @@ bool PPPProcessRetransmissions(PPP_SESSION *p)
// Send the PPP Echo Request
bool PPPSendEchoRequest(PPP_SESSION *p)
{
// Validate arguments
if (p == NULL)
{
return false;
}
UINT64 now = Tick64();
if (p->NextEchoSendTime == 0 || now >= p->NextEchoSendTime)
{
@ -733,12 +739,6 @@ bool PPPSendEchoRequest(PPP_SESSION *p)
AddInterrupt(p->Ipc->Interrupt, p->NextEchoSendTime);
}
// Validate arguments
if (p == NULL)
{
return false;
}
pp = ZeroMalloc(sizeof(PPP_PACKET));
pp->Protocol = PPP_PROTOCOL_LCP;
pp->IsControl = true;