[Xen-changelog] Fix kcons_write and kcons_write_dom0 CodingStyle.

[Xen patchbot-unstable <patchbot-unstable@xxxxxxxxxxxxxxxxxxx>]

# HG changeset patch
# User kaf24@xxxxxxxxxxxxxxxxxxxx
# Node ID e336c37b8de02da6a6f561fb54c85d745642f881
# Parent  84dd753a9247293b985304073da7963d3b3d1a32
Fix kcons_write and kcons_write_dom0 CodingStyle.
Use roundup_pow_of_two().

Signed-off-by: Chris Wright <chrisw@xxxxxxxxxxxx>
---
 linux-2.6-xen-sparse/drivers/xen/console/console.c |   26 +++++++++++----------
 1 files changed, 14 insertions(+), 12 deletions(-)

diff -r 84dd753a9247 -r e336c37b8de0 
linux-2.6-xen-sparse/drivers/xen/console/console.c
--- a/linux-2.6-xen-sparse/drivers/xen/console/console.c        Wed May 24 
11:56:40 2006 +0100
+++ b/linux-2.6-xen-sparse/drivers/xen/console/console.c        Wed May 24 
11:57:37 2006 +0100
@@ -117,8 +117,11 @@ static int __init xencons_bufsz_setup(ch
 {
        unsigned int goal;
        goal = simple_strtoul(str, NULL, 0);
-       while (wbuf_size < goal)
-               wbuf_size <<= 1;
+       if (goal) {
+               goal = roundup_pow_of_two(goal);
+               if (wbuf_size < goal)
+                       wbuf_size = goal;
+       }
        return 1;
 }
 __setup("xencons_bufsz=", xencons_bufsz_setup);
@@ -133,8 +136,7 @@ static struct tty_driver *xencons_driver
 
 /******************** Kernel console driver ********************************/
 
-static void kcons_write(
-       struct console *c, const char *s, unsigned int count)
+static void kcons_write(struct console *c, const char *s, unsigned int count)
 {
        int           i = 0;
        unsigned long flags;
@@ -155,14 +157,14 @@ static void kcons_write(
        spin_unlock_irqrestore(&xencons_lock, flags);
 }
 
-static void kcons_write_dom0(
-       struct console *c, const char *s, unsigned int count)
-{
-       int rc;
-
-       while ((count > 0) &&
-              ((rc = HYPERVISOR_console_io(
-                       CONSOLEIO_write, count, (char *)s)) > 0)) {
+static void kcons_write_dom0(struct console *c, const char *s, unsigned int 
count)
+{
+
+       while (count > 0) {
+               int rc;
+               rc = HYPERVISOR_console_io( CONSOLEIO_write, count, (char *)s);
+               if (rc <= 0)
+                       break;
                count -= rc;
                s += rc;
        }

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