uml: host_info tidying

Move the host_info string from util.c to um_arch.c, where it is
actually initialized and used.  Also document its lack of locking.

Signed-off-by: Jeff Dike <jdike@addtoit.com>
Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 3 insertions, 5 deletions

diff --git a/arch/um/os-Linux/util.c b/arch/um/os-Linux/util.c
index 56b8a50e8bc2..125854a2aa22 100644
--- a/arch/um/os-Linux/util.c
+++ b/arch/um/os-Linux/util.c
@@ -96,15 +96,13 @@ void setup_machinename(char *machine_out)
         strcpy(machine_out, host.machine);
 }
 
-char host_info[(_UTSNAME_LENGTH + 1) * 4 + _UTSNAME_NODENAME_LENGTH + 1];
-
-void setup_hostinfo(void)
+void setup_hostinfo(char *buf, int len)
 {
         struct utsname host;
 
         uname(&host);
-        sprintf(host_info, "%s %s %s %s %s", host.sysname, host.nodename,
-                host.release, host.version, host.machine);
+        snprintf(buf, len, "%s %s %s %s %s", host.sysname, host.nodename,
+                 host.release, host.version, host.machine);
 }
 
 int setjmp_wrapper(void (*proc)(void *, void *), ...)