[PATCH] s390: use __cpcmd in vmcp_write

vmcp_write uses GPF_DMA for the memory allocation of the response buffer, so
it can use the low level function __cpcmd directly, no need to call the
wrapper.

Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

diff --git a/drivers/s390/char/vmcp.c b/drivers/s390/char/vmcp.c
index 7f11a608a63371855c8fd36ba18ac3967c372178..8990d8076e7da0733d7c8bb0a8b32fa55908af2d 100644 (file)
--- a/drivers/s390/char/vmcp.c
+++ b/drivers/s390/char/vmcp.c
@@ -115,9 +115,9 @@ vmcp_write(struct file *file, const char __user * buff, size_t count,
                return -ENOMEM;
        }
        debug_text_event(vmcp_debug, 1, cmd);
-       session->resp_size = cpcmd(cmd, session->response,
-                                  session->bufsize,
-                                  &session->resp_code);
+       session->resp_size = __cpcmd(cmd, session->response,
+                                    session->bufsize,
+                                    &session->resp_code);
        up(&session->mutex);
        kfree(cmd);
        *ppos = 0;              /* reset the file pointer after a command */