hyprwm/wlroots-hyprland
1
0
Fork 0
mirror of https://github.com/hyprwm/wlroots-hyprland.git synced 2024-12-23 10:29:49 +01:00
Code Issues Projects Releases Packages Wiki Activity

Fix uint32 overflow in fill_empty_gamma_table on Icelake platform

Browse source 
Closes: https://github.com/swaywm/sway/issues/4826
This commit is contained in:
Filip Sandborg 2020-03-15 18:41:12 +01:00 committed by GitHub
parent 1282c3b12f
commit 5ee52a3ab9
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
1 changed files with 2 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

3
backend/drm/drm.c
View file

@ -501,8 +501,9 @@ static bool drm_connector_commit(struct wlr_output *output) {
static void fill_empty_gamma_table(size_t size,
uint16_t *r, uint16_t *g, uint16_t *b) {
assert(0xFFFF < UINT64_MAX / (size - 1));
for (uint32_t i = 0; i < size; ++i) {
uint16_t val = (uint32_t)0xffff * i / (size - 1);
uint16_t val = (uint64_t)0xffff * i / (size - 1);
r[i] = g[i] = b[i] = val;
}
}