[PATCH] strlcat: use for uml umid.c

Simplify the code by using strlcat() instead of strncat() and manual
appending.

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

1 files changed, 4 insertions, 7 deletions

diff --git a/arch/um/kernel/umid.c b/arch/um/kernel/umid.c
index 251d277fff2a..0b21d59ba0cd 100644
--- a/arch/um/kernel/umid.c
+++ b/arch/um/kernel/umid.c
@@ -237,16 +237,13 @@ static int __init make_uml_dir(void)
                 strlcpy(dir, home, sizeof(dir));
                 uml_dir++;
         }
+        strlcat(dir, uml_dir, sizeof(dir));
         len = strlen(dir);
-        strncat(dir, uml_dir, sizeof(dir) - len);
-        len = strlen(dir);
-        if((len > 0) && (len < sizeof(dir) - 1) && (dir[len - 1] != '/')){
-                dir[len] = '/';
-                dir[len + 1] = '\0';
-        }
+        if (len > 0 && dir[len - 1] != '/')
+                strlcat(dir, "/", sizeof(dir));
 
         uml_dir = malloc(strlen(dir) + 1);
-        if(uml_dir == NULL){
+        if (uml_dir == NULL) {
                 printf("make_uml_dir : malloc failed, errno = %d\n", errno);
                 exit(1);
         }