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- Log -----------------------------------------------------------------
commit 3e3b43cf757098c84cf4e67681a02ef3901c6cc8
Merge: 580cc82 36930c6
Author: Lawrence Sebald <ljs...@us...>
Date: Fri Oct 6 18:03:07 2023 -0400
Merge pull request #318 from Tchan0/LAN_adapter_dont_register_if_not_present
la_init(): early exit if LAN adapter not detected
commit 36930c633381a6289247c33427ad67eea1ed3ea3
Author: Tchan0 <617...@us...>
Date: Sun Oct 1 07:51:27 2023 +0200
la_init: early exit if not detected
Align LAN's la_init() with the BBA code:
if not present, do not register, and do not read flashrom
commit 580cc829436cbb9d025dac308add2ffe9c14a80b
Author: Tchan0 <617...@us...>
Date: Sat Sep 30 18:58:00 2023 +0200
maple_dev_status: check for nullptr input (#317)
maple_dev_status() does not check for NULL passed as input parameter, crashing eg nehe06 when no controller was detected
-----------------------------------------------------------------------
Summary of changes:
kernel/arch/dreamcast/hardware/maple/maple_enum.c | 2 +-
kernel/arch/dreamcast/hardware/network/lan_adapter.c | 11 +++++++++--
2 files changed, 10 insertions(+), 3 deletions(-)
diff --git a/kernel/arch/dreamcast/hardware/maple/maple_enum.c b/kernel/arch/dreamcast/hardware/maple/maple_enum.c
index 618e08d..a0f9c5b 100644
--- a/kernel/arch/dreamcast/hardware/maple/maple_enum.c
+++ b/kernel/arch/dreamcast/hardware/maple/maple_enum.c
@@ -103,7 +103,7 @@ maple_device_t * maple_enum_type_ex(int n, uint32 func, uint32 cap) {
valid before returning. Cast to the appropriate type you're expecting. */
void * maple_dev_status(maple_device_t *dev) {
/* Is the device valid? */
- if(!dev->valid)
+ if(!dev || !dev->valid)
return NULL;
/* Waits until the first DMA happens: crude but effective (replace me later) */
diff --git a/kernel/arch/dreamcast/hardware/network/lan_adapter.c b/kernel/arch/dreamcast/hardware/network/lan_adapter.c
index 53bdca2..fb8703a 100644
--- a/kernel/arch/dreamcast/hardware/network/lan_adapter.c
+++ b/kernel/arch/dreamcast/hardware/network/lan_adapter.c
@@ -330,7 +330,6 @@ static int la_detect(void) {
type = DLCR7_IDENT(la_read(DLCR7));
if(type != DLCR7_ID_MB86967) {
- dbglog(DBG_KDEBUG, "lan_adapter: no device detected (wrong type = %d)\n", type);
return -1;
}
@@ -746,6 +745,14 @@ int la_init(void) {
la_if.index = 0;
la_if.dev_id = 0;
la_if.flags = NETIF_NO_FLAGS;
+ la_if.if_detect = la_if_detect;
+
+ /* Short circuit if no lan is detected */
+ if(la_if.if_detect(&la_if) < 0) {
+ dbglog(DBG_KDEBUG, "lan: no device detected\n");
+ return -1;
+ }
+
memset(la_if.ip_addr, 0, sizeof(la_if.ip_addr));
memset(la_if.netmask, 0, sizeof(la_if.netmask));
memset(la_if.gateway, 0, sizeof(la_if.gateway));
@@ -758,7 +765,7 @@ int la_init(void) {
memset(&la_if.ip6_gateway, 0, sizeof(la_if.ip6_gateway));
la_if.mtu6 = 0;
la_if.hop_limit = 0;
- la_if.if_detect = la_if_detect;
+
la_if.if_init = la_if_init;
la_if.if_shutdown = la_if_shutdown;
la_if.if_start = la_if_start;
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A pseudo Operating System for the Dreamcast.
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