convert to kstrdup() as well.

Cc: Julia Lawall <julia@diku.dk>
Cc: Ming Lei <tom.leiming@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

drivers/video/au1100fb.c

@@ -715,12 +715,11 @@ int au1100fb_setup(char *options)
 			}
 			/* Mode option (only option that start with digit) */
 			else if (isdigit(this_opt[0])) {
-				mode = kmalloc(strlen(this_opt) + 1, GFP_KERNEL);
+				mode = kstrdup(this_opt, GFP_KERNEL);
 				if (!mode) {
 					print_err("memory allocation failed");
 					return -ENOMEM;
 				}
-				strncpy(mode, this_opt, strlen(this_opt) + 1);
 			}
 			/* Unsupported option */
 			else {