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>
diff --git a/arch/um/drivers/ubd_kern.c b/arch/um/drivers/ubd_kern.c
index 9793e3d..7a252ab 100644
--- a/arch/um/drivers/ubd_kern.c
+++ b/arch/um/drivers/ubd_kern.c
@@ -229,7 +229,7 @@
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 @@
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 @@
" 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);