IPMI: add 0.9 support

Add support for IPMI 0.9 systems to the IPMI driver.  Just handle a shorter
get device ID command with less information.

Signed-off-by: Corey Minyard <cminyard@mvista.com>
Cc: Stian Jordet <liste@jordet.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 2 insertions, 13 deletions

diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c
index da09eb0ef788..4f560d0bb808 100644
--- a/drivers/char/ipmi/ipmi_si_intf.c
+++ b/drivers/char/ipmi/ipmi_si_intf.c
@@ -2380,20 +2380,9 @@ static int try_get_dev_id(struct smi_info *smi_info)
         /* Otherwise, we got some data. */
         resp_len = smi_info->handlers->get_result(smi_info->si_sm,
                                                   resp, IPMI_MAX_MSG_LENGTH);
-        if (resp_len < 14) {
-                /* That's odd, it should be longer. */
-                rv = -EINVAL;
-                goto out;
-        }
-
-        if ((resp[1] != IPMI_GET_DEVICE_ID_CMD) || (resp[2] != 0)) {
-                /* That's odd, it shouldn't be able to fail. */
-                rv = -EINVAL;
-                goto out;
-        }
 
-        /* Record info from the get device id, in case we need it. */
-        ipmi_demangle_device_id(resp+3, resp_len-3, &smi_info->device_id);
+        /* Check and record info from the get device id, in case we need it. */
+        rv = ipmi_demangle_device_id(resp, resp_len, &smi_info->device_id);
 
  out:
         kfree(resp);