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Fix NULL dereference

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Fix NULL dereference when handling REJ packets
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XANTRONIX Development 2020-08-06 00:35:11 -04:00 • committed by XANTRONIX Industrial
parent ea68dc199b
commit 512957dda1
1 changed files with 3 additions and 1 deletions
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4
src/server.c
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@ -1492,12 +1492,14 @@ static int handle_rej(patty_ax25_server *server,
patty_ax25_sock *sock, patty_ax25_sock *sock,
patty_ax25_frame *frame) { patty_ax25_frame *frame) {
unsigned int i, unsigned int i,
end = sock->vs; end;
if (sock == NULL) { if (sock == NULL) {
return 0; return 0;
} }
end = sock->vs;
if (frame->nr > end) { if (frame->nr > end) {
end += (sock->mode == PATTY_AX25_SOCK_SABME)? 128: 8; end += (sock->mode == PATTY_AX25_SOCK_SABME)? 128: 8;
} }