shark/bbswitch-g14
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Do not check for nvidia DSM on igd handle

Browse Source 
Just in case the integrated video ACPI handle cannot be found. This is a safety
net for those who try bbswitch on an incompatible machine. I do not know any of
such machinees, but it looks good.
This commit is contained in:
Peter Wu 2013-04-02 17:40:38 +02:00
parent 91814c63f1
commit 3e50c7b118
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
bbswitch.c
View File

@ -434,7 +434,7 @@ static int __init bbswitch_init(void) {
/* At least two Acer machines are known to use the intel ACPI handle
* with the legacy nvidia DSM */
dis_handle = igd_handle;
if (has_dsm_func(acpi_nvidia_dsm_muid, 0x102, 0x3)) {
if (dis_handle && has_dsm_func(acpi_nvidia_dsm_muid, 0x102, 0x3)) {
dsm_type = DSM_TYPE_NVIDIA;
pr_info("detected a nVidia _DSM function on the"
" integrated video card\n");