diff options
Diffstat (limited to 'glx/glxcmds.c')
| -rw-r--r-- | glx/glxcmds.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/glx/glxcmds.c b/glx/glxcmds.c index 8d13c1509..9e32d6c2f 100644 --- a/glx/glxcmds.c +++ b/glx/glxcmds.c @@ -57,7 +57,7 @@ validGlxScreen(ClientPtr client, int screen, __GLXscreen **pGlxScreen, int *err) /* ** Check if screen exists. */ - if (screen >= screenInfo.numScreens) { + if (screen < 0 || screen >= screenInfo.numScreens) { client->errorValue = screen; *err = BadValue; return FALSE; |