Zero-out unused/invalid fields in g_nvdebug_device on Tegra devices

Previously, unloading the module could cause a segfault on Tegra,
as pcid would be unitilized and possibly non-zero, causing us to
attempt PCIe-device-style deinitialization on a non-PCEe device.

1 files changed, 2 insertions, 0 deletions

diff --git a/nvdebug_entry.c b/nvdebug_entry.c
index 4eb44a2..c362209 100644
--- a/nvdebug_entry.c
+++ b/nvdebug_entry.c
@@ -99,6 +99,8 @@ int probe_and_cache_device(void) {
                 if (ids.raw == -1)
                         return -EADDRNOTAVAIL;
                 g_nvdebug_state[i].chip_id = ids.chip_id;
+                g_nvdebug_state[i].pcid = NULL;
+                g_nvdebug_state[i].bar3 = NULL;
                 printk(KERN_INFO "[nvdebug] Chip ID %x (architecture %s) detected on platform bus and initialized.",
                        ids.chip_id, ARCH2NAME(ids.architecture));
                 i++;