korg/linux
0
0
Fork 0
mirror of https://mirrors.bfsu.edu.cn/git/linux.git synced 2024-11-11 21:38:32 +08:00
Code Issues Packages Projects Releases Wiki Activity

iommu/amd: Check for error states first in iommu_go_to_state()

Browse Source 
Check if we are in an error state already before calling
into state_next().

Signed-off-by: Joerg Roedel <jroedel@suse.de>
This commit is contained in:
Joerg Roedel 2017-06-16 16:09:57 +02:00
parent 1b1e942e34
commit 151b09031a
1 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/iommu/amd_iommu_init.c
View File

@ -2467,14 +2467,14 @@ static int __init state_next(void)
static int __init iommu_go_to_state(enum iommu_init_state state)
{
int ret = 0;
int ret = -EINVAL;
while (init_state != state) {
ret = state_next();
if (init_state == IOMMU_NOT_FOUND ||
init_state == IOMMU_INIT_ERROR ||
init_state == IOMMU_CMDLINE_DISABLED)
break;
ret = state_next();
}
return ret;