[S390] cio: Get rid of css_characteristics_avail.

Checking for the validity of the css_*_characteristics is
superfluous since they stay 0 for non-successful scsc.

Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>

1 files changed, 0 insertions, 3 deletions

diff --git a/drivers/s390/cio/qdio.c b/drivers/s390/cio/qdio.c
index 72508d8f3c4a..f9be265e7e8f 100644
--- a/drivers/s390/cio/qdio.c
+++ b/drivers/s390/cio/qdio.c
@@ -2354,9 +2354,6 @@ tiqdio_check_chsc_availability(void)
 {
         char dbf_text[15];
 
-        if (!css_characteristics_avail)
-                return -EIO;
-
         /* Check for bit 41. */
         if (!css_general_characteristics.aif) {
                 QDIO_PRINT_WARN("Adapter interruption facility not " \