render/egl: fix NULL dereference when using llvmpipe

Fixes: 6becc69ec9 ("render/egl: fail to create wlr_egl on software renderer")
5 years ago · a406f19479
parent 6becc69ec9
commit a406f19479
1 changed files with 1 additions and 1 deletions
--- a/render/egl.c
+++ b/render/egl.c
@ -274,7 +274,7 @@ struct wlr_egl *wlr_egl_create(EGLenum platform, void *remote_display,
 		if (check_egl_ext(device_exts_str, "EGL_MESA_device_software")) {
 			const char *allow_software = getenv("WLR_RENDERER_ALLOW_SOFTWARE");
-			if (strcmp(allow_software, "1") == 0) {
+			if (allow_software != NULL && strcmp(allow_software, "1") == 0) {
 				wlr_log(WLR_INFO, "Using software rendering");
 			} else {
 				wlr_log(WLR_ERROR, "Software rendering detected, please use "