proc: proc_init_inodecache() can't fail

kmem_cache creation code will panic, don't return anything.

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
diff --git a/fs/proc/inode.c b/fs/proc/inode.c
index c6b4fa7..2543fd0 100644
--- a/fs/proc/inode.c
+++ b/fs/proc/inode.c
@@ -106,14 +106,13 @@
 	inode_init_once(&ei->vfs_inode);
 }
 
-int __init proc_init_inodecache(void)
+void __init proc_init_inodecache(void)
 {
 	proc_inode_cachep = kmem_cache_create("proc_inode_cache",
 					     sizeof(struct proc_inode),
 					     0, (SLAB_RECLAIM_ACCOUNT|
 						SLAB_MEM_SPREAD|SLAB_PANIC),
 					     init_once);
-	return 0;
 }
 
 static const struct super_operations proc_sops = {
diff --git a/fs/proc/internal.h b/fs/proc/internal.h
index 3bfb7b8..d5bf4de 100644
--- a/fs/proc/internal.h
+++ b/fs/proc/internal.h
@@ -66,7 +66,7 @@
 
 void free_proc_entry(struct proc_dir_entry *de);
 
-int proc_init_inodecache(void);
+void proc_init_inodecache(void);
 
 static inline struct pid *proc_pid(struct inode *inode)
 {
diff --git a/fs/proc/root.c b/fs/proc/root.c
index 9511753..2a3abd2 100644
--- a/fs/proc/root.c
+++ b/fs/proc/root.c
@@ -104,9 +104,9 @@
 
 void __init proc_root_init(void)
 {
-	int err = proc_init_inodecache();
-	if (err)
-		return;
+	int err;
+
+	proc_init_inodecache();
 	err = register_filesystem(&proc_fs_type);
 	if (err)
 		return;