diff options
| -rw-r--r-- | sys/src/9/pc/devvga.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/sys/src/9/pc/devvga.c b/sys/src/9/pc/devvga.c index bdc59f11d..14df25b89 100644 --- a/sys/src/9/pc/devvga.c +++ b/sys/src/9/pc/devvga.c @@ -257,6 +257,9 @@ vgactl(Cmdbuf *cb) ct = lookupcmd(cb, vgactlmsg, nelem(vgactlmsg)); switch(ct->index){ case CMhwgc: + if(scr->gscreen == nil) + error("hwgc: no gscreen"); + if(strcmp(cb->f[1], "off") == 0){ lock(&cursor); if(scr->cur){ |