X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=libpcsxcore%2Fcdrom.c;h=41dc1513632b93421a8d86ebd5f96edfae0eb707;hb=e0f25b64cf98406b7059b373b04a18b45e2a0aa7;hp=7715a2b7ff95404a6afd8f227b6f3fbe419cebb1;hpb=ca1683d0864e3549bc522bdb04a3b778d34e22b4;p=pcsx_rearmed.git

diff --git a/libpcsxcore/cdrom.c b/libpcsxcore/cdrom.c
index 7715a2b7..41dc1513 100644
--- a/libpcsxcore/cdrom.c
+++ b/libpcsxcore/cdrom.c
@@ -463,7 +463,8 @@ static int ReadTrack(const u8 *time) {
 	CDR_LOG("ReadTrack *** %02x:%02x:%02x\n", tmp[0], tmp[1], tmp[2]);
 
 	read_ok = CDR_readTrack(tmp);
-	memcpy(cdr.Prev, tmp, 3);
+	if (read_ok)
+		memcpy(cdr.Prev, tmp, 3);
 
 	if (CheckSBI(time))
 		return read_ok;
@@ -1253,7 +1254,6 @@ static void cdrReadInterrupt(void)
 
 	if (!read_ok) {
 		CDR_LOG_I("cdrReadInterrupt() Log: err\n");
-		memset(cdr.Transfer, 0, DATA_SIZE);
 		cdrReadInterruptSetResult(cdr.StatP | STATUS_ERROR);
 		return;
 	}
@@ -1518,7 +1518,7 @@ void psxDma3(u32 madr, u32 bcr, u32 chcr) {
 	switch (chcr & 0x71000000) {
 		case 0x11000000:
 			ptr = (u8 *)PSXM(madr);
-			if (ptr == NULL) {
+			if (ptr == INVALID_PTR) {
 				CDR_LOG_I("psxDma3() Log: *** DMA 3 *** NULL Pointer!\n");
 				break;
 			}