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authortakawata <takawata@FreeBSD.org>2000-10-31 11:54:10 +0000
committertakawata <takawata@FreeBSD.org>2000-10-31 11:54:10 +0000
commit1f7d1df733cba8003f78ea73b609bf5ad47db279 (patch)
tree3376baf8bb6d3d036b1bb16b0d997785c1191311 /sys/dev/acpica
parentb18bf4b787d5b12f54fa77f76b28fb84f1dff55e (diff)
downloadFreeBSD-src-1f7d1df733cba8003f78ea73b609bf5ad47db279.zip
FreeBSD-src-1f7d1df733cba8003f78ea73b609bf5ad47db279.tar.gz
If acpica driver is loaded using kldload(8), warn and just ignore.
Diffstat (limited to 'sys/dev/acpica')
-rw-r--r--sys/dev/acpica/acpi.c5
-rw-r--r--sys/dev/acpica/acpi_isa.c5
2 files changed, 10 insertions, 0 deletions
diff --git a/sys/dev/acpica/acpi.c b/sys/dev/acpica/acpi.c
index 651a7737..8f5c052 100644
--- a/sys/dev/acpica/acpi.c
+++ b/sys/dev/acpica/acpi.c
@@ -162,6 +162,11 @@ acpi_identify(driver_t *driver, device_t parent)
char *debugpoint = getenv("debug.acpi.debugger");
#endif
+ if(!cold){
+ printf("Don't load this driver from userland!!\n");
+ return ;
+ }
+
/*
* Make sure we're not being doubly invoked.
*/
diff --git a/sys/dev/acpica/acpi_isa.c b/sys/dev/acpica/acpi_isa.c
index 3aa03c1..19d7b5f 100644
--- a/sys/dev/acpica/acpi_isa.c
+++ b/sys/dev/acpica/acpi_isa.c
@@ -136,6 +136,11 @@ acpi_isa_identify(driver_t *driver, device_t bus)
ACPI_HANDLE parent;
ACPI_STATUS status;
+ /*If this driver is loaded from userland ,just ignore*/
+ if(!cold){
+ return;
+ }
+
/*
* Look for the _SB_ scope, which will contain all the devices
* we are likely to support.
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