The only user I found is xserver, it can return -1 under certain conditions.
So check for -1 explicitly.
Signed-off-by: Jan Vesely <jan.vesely at rutgers.edu>
---
I could not find whether it's actually legal to return encoded negative values
in get_perm. This is a quick fix to detect the one case that I found.
xf86drm.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/xf86drm.c b/xf86drm.c
index fb673b5..8e54ac9 100644
--- a/xf86drm.c
+++ b/xf86drm.c
@@ -335,7 +335,7 @@ static int drmOpenDevice(dev_t dev, int minor, int type)
drm_server_info->get_perms(&serv_group, &serv_mode);
devmode = serv_mode ? serv_mode : DRM_DEV_MODE;
devmode &= ~(S_IXUSR|S_IXGRP|S_IXOTH);
- group = (serv_group >= 0) ? serv_group : DRM_DEV_GID;
+ group = (serv_group != ~0U) ? serv_group : DRM_DEV_GID;
}
#if !defined(UDEV)
--
2.1.0
