diff options
| author | Marvin Borner | 2021-04-17 13:55:51 +0200 |
|---|---|---|
| committer | Marvin Borner | 2021-04-17 13:55:51 +0200 |
| commit | 89b5b9acf6037fc1a87f9e85c64831187a47ba94 (patch) | |
| tree | 54b2cdc2dbedfb8594a2d89730805467602f7d93 /kernel/drivers/fb.c | |
| parent | 7485f7e441ca892876d9401380aa77610eb85f76 (diff) | |
Implemented I/O polling
Diffstat (limited to 'kernel/drivers/fb.c')
| -rw-r--r-- | kernel/drivers/fb.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/drivers/fb.c b/kernel/drivers/fb.c index c74bc28..dcccf72 100644 --- a/kernel/drivers/fb.c +++ b/kernel/drivers/fb.c @@ -34,7 +34,7 @@ static res fb_ioctl(u32 request, void *arg1, void *arg2, void *arg3) if (!info) return -ENOENT; - if (!arg1 || !memory_writable(arg1)) + if (!memory_writable(arg1)) return -EFAULT; if (fb_owner != 0 && proc_from_pid(fb_owner)) |