diff options
| author | Marvin Borner | 2021-04-09 13:10:03 +0200 |
|---|---|---|
| committer | Marvin Borner | 2021-04-09 13:10:03 +0200 |
| commit | eeb88df1d501ccec4737c18dddb7ca0a1176304f (patch) | |
| tree | d36b563a27a4a7bdeae662eb5aa44ca082b57e0b /kernel/drivers | |
| parent | f8d841fe268ebba43686729af535e035702438f7 (diff) | |
Added readable/writable checks
Diffstat (limited to 'kernel/drivers')
| -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 3e333e8..78b3984 100644 --- a/kernel/drivers/fb.c +++ b/kernel/drivers/fb.c @@ -37,7 +37,7 @@ static res fb_ioctl(u32 request, void *arg1, void *arg2, void *arg3, struct devi if (!info) return -ENOENT; - if (!arg1 || !memory_valid(arg1)) + if (!arg1 || !memory_writable(arg1)) return -EFAULT; if (fb_owner != 0 && proc_from_pid(fb_owner)) |