init: fix possible format string bug

Use constant format string in case message changes.

Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

2 files changed, 5 insertions, 4 deletions

diff --git a/init/initramfs.c b/init/initramfs.c
index a67ef9dbda9d..93b61396756b 100644
--- a/init/initramfs.c
+++ b/init/initramfs.c
@@ -583,7 +583,7 @@ static int __init populate_rootfs(void)
 {
         char *err = unpack_to_rootfs(__initramfs_start, __initramfs_size);
         if (err)
-                panic(err);     /* Failed to decompress INTERNAL initramfs */
+                panic("%s", err); /* Failed to decompress INTERNAL initramfs */
         if (initrd_start) {
 #ifdef CONFIG_BLK_DEV_RAM
                 int fd;
diff --git a/init/main.c b/init/main.c
index 98e3537fa71d..f333385d9a4f 100644
--- a/init/main.c
+++ b/init/main.c
@@ -278,7 +278,7 @@ static int __init unknown_bootoption(char *param, char *val, const char *unused)
                 unsigned int i;
                 for (i = 0; envp_init[i]; i++) {
                         if (i == MAX_INIT_ENVS) {
-                                panic_later = "Too many boot env vars at `%s'";
+                                panic_later = "env";
                                 panic_param = param;
                         }
                         if (!strncmp(param, envp_init[i], val - param))
@@ -290,7 +290,7 @@ static int __init unknown_bootoption(char *param, char *val, const char *unused)
                 unsigned int i;
                 for (i = 0; argv_init[i]; i++) {
                         if (i == MAX_INIT_ARGS) {
-                                panic_later = "Too many boot init vars at `%s'";
+                                panic_later = "init";
                                 panic_param = param;
                         }
                 }
@@ -582,7 +582,8 @@ asmlinkage void __init start_kernel(void)
          */
         console_init();
         if (panic_later)
-                panic(panic_later, panic_param);
+                panic("Too many boot %s vars at `%s'", panic_later,
+                      panic_param);
 
         lockdep_info();