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path: root/drivers/video/uvesafb.c
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Diffstat (limited to 'drivers/video/uvesafb.c')
-rw-r--r--drivers/video/uvesafb.c16
1 files changed, 12 insertions, 4 deletions
diff --git a/drivers/video/uvesafb.c b/drivers/video/uvesafb.c
index e7f69ef572dc..260cca7ddb41 100644
--- a/drivers/video/uvesafb.c
+++ b/drivers/video/uvesafb.c
@@ -121,7 +121,7 @@ static int uvesafb_helper_start(void)
NULL,
};
- return call_usermodehelper(v86d_path, argv, envp, 1);
+ return call_usermodehelper(v86d_path, argv, envp, UMH_WAIT_PROC);
}
/*
@@ -362,7 +362,7 @@ static u8 *uvesafb_vbe_state_save(struct uvesafb_par *par)
state = kmalloc(par->vbe_state_size, GFP_KERNEL);
if (!state)
- return NULL;
+ return ERR_PTR(-ENOMEM);
task = uvesafb_prep();
if (!task) {
@@ -1172,9 +1172,17 @@ static int uvesafb_open(struct fb_info *info, int user)
{
struct uvesafb_par *par = info->par;
int cnt = atomic_read(&par->ref_count);
+ u8 *buf = NULL;
- if (!cnt && par->vbe_state_size)
- par->vbe_state_orig = uvesafb_vbe_state_save(par);
+ if (!cnt && par->vbe_state_size) {
+ buf = uvesafb_vbe_state_save(par);
+ if (IS_ERR(buf)) {
+ printk(KERN_WARNING "uvesafb: save hardware state"
+ "failed, error code is %ld!\n", PTR_ERR(buf));
+ } else {
+ par->vbe_state_orig = buf;
+ }
+ }
atomic_inc(&par->ref_count);
return 0;