uml: const and other tidying

This patch also does some improvements for uml code.  Improvements include
dropping unnecessary cast, killing some unnecessary code and still some
constifying for pointers etc..

Signed-off-by: WANG Cong <xiyou.wangcong@gmail.com>
Signed-off-by: Jeff Dike <jdike@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 3 insertions, 3 deletions

diff --git a/arch/um/drivers/ubd_kern.c b/arch/um/drivers/ubd_kern.c
index 9793e3da0f1d..7a252abbfead 100644
--- a/arch/um/drivers/ubd_kern.c
+++ b/arch/um/drivers/ubd_kern.c
@@ -229,7 +229,7 @@ static int proc_ide_read_media(char *page, char **start, off_t off, int count,
         return len;
 }
 
-static void make_ide_entries(char *dev_name)
+static void make_ide_entries(const char *dev_name)
 {
         struct proc_dir_entry *dir, *ent;
         char name[64];
@@ -244,7 +244,7 @@ static void make_ide_entries(char *dev_name)
         ent->data = NULL;
         ent->read_proc = proc_ide_read_media;
         ent->write_proc = NULL;
-        sprintf(name,"ide0/%s", dev_name);
+        snprintf(name, sizeof(name), "ide0/%s", dev_name);
         proc_symlink(dev_name, proc_ide_root, name);
 }
 
@@ -443,7 +443,7 @@ __uml_help(ubd_setup,
 "    cluster filesystem and inappropriate at almost all other times.\n\n"
 );
 
-static int udb_setup(char *str)
+static int udb_setup(const char *str)
 {
         printk("udb%s specified on command line is almost certainly a ubd -> "
                "udb TYPO\n", str);