From a7b38192142440c59a4e793cf5de99b9a7f1c2c3 Mon Sep 17 00:00:00 2001 From: Ivan Molodetskikh Date: Thu, 28 Mar 2024 07:47:57 +0400 Subject: tty: Add check for zero gamma size --- src/backend/tty.rs | 2 ++ 1 file changed, 2 insertions(+) (limited to 'src/backend/tty.rs') diff --git a/src/backend/tty.rs b/src/backend/tty.rs index 783db022..54dce718 100644 --- a/src/backend/tty.rs +++ b/src/backend/tty.rs @@ -2074,6 +2074,8 @@ pub fn set_gamma_for_crtc( let info = device.get_crtc(crtc).context("error getting crtc info")?; let gamma_length = info.gamma_length() as usize; + ensure!(gamma_length != 0, "setting gamma is not supported"); + let mut temp; let ramp = if let Some(ramp) = ramp { ensure!(ramp.len() == gamma_length * 3, "wrong gamma length"); -- cgit