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path: root/drivers/s390/char/sclp_cmd.c
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Diffstat (limited to 'drivers/s390/char/sclp_cmd.c')
-rw-r--r--drivers/s390/char/sclp_cmd.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/s390/char/sclp_cmd.c b/drivers/s390/char/sclp_cmd.c
index 8cd34bf..77df9cb 100644
--- a/drivers/s390/char/sclp_cmd.c
+++ b/drivers/s390/char/sclp_cmd.c
@@ -145,9 +145,11 @@ bool __init sclp_has_linemode(void)
if (sccb->header.response_code != 0x20)
return 0;
- if (sccb->sclp_send_mask & (EVTYP_MSG_MASK | EVTYP_PMSGCMD_MASK))
- return 1;
- return 0;
+ if (!(sccb->sclp_send_mask & (EVTYP_OPCMD_MASK | EVTYP_PMSGCMD_MASK)))
+ return 0;
+ if (!(sccb->sclp_receive_mask & (EVTYP_MSG_MASK | EVTYP_PMSGCMD_MASK)))
+ return 0;
+ return 1;
}
bool __init sclp_has_vt220(void)