[PATCH] s390: improve response code handling in chsc_enable_facility()

[linux-2.6.git] / drivers / s390 / cio / chsc.c

diff --git a/drivers/s390/cio/chsc.c b/drivers/s390/cio/chsc.c
index 8cf9905d484be5fc120b2e05a65103f0acad95c9..f4183d660258108728a626b73c22798ba4699570 100644 (file)
--- a/drivers/s390/cio/chsc.c
+++ b/drivers/s390/cio/chsc.c
@@ -1115,6 +1115,9 @@ chsc_enable_facility(int operation_code)
                goto out;
        }
        switch (sda_area->response.code) {
+       case 0x0001: /* everything ok */
+               ret = 0;
+               break;
        case 0x0003: /* invalid request block */
        case 0x0007:
                ret = -EINVAL;
@@ -1123,6 +1126,8 @@ chsc_enable_facility(int operation_code)
        case 0x0101: /* facility not provided */
                ret = -EOPNOTSUPP;
                break;
+       default: /* something went wrong */
+               ret = -EIO;
        }
  out:
        free_page((unsigned long)sda_area);