Untangling ima mess, part 1: alloc_file()

There are 2 groups of alloc_file() callers:
	* ones that are followed by ima_counts_get
	* ones giving non-regular files
So let's pull that ima_counts_get() into alloc_file();
it's a no-op in case of non-regular files.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

fs/file_table.c

@@ -21,6 +21,7 @@
 #include <linux/fsnotify.h>
 #include <linux/sysctl.h>
 #include <linux/percpu_counter.h>
+#include <linux/ima.h>
 
 #include <asm/atomic.h>
 
@@ -190,6 +191,7 @@ struct file *alloc_file(struct path *path, fmode_t mode,
 		error = mnt_clone_write(path->mnt);
 		WARN_ON(error);
 	}
+	ima_counts_get(file);
 	return file;
 }
 

fs/hugetlbfs/inode.c

@@ -30,7 +30,6 @@
 #include <linux/dnotify.h>
 #include <linux/statfs.h>
 #include <linux/security.h>
-#include <linux/ima.h>
 #include <linux/magic.h>
 
 #include <asm/uaccess.h>
@@ -971,7 +970,6 @@ struct file *hugetlb_file_setup(const char *name, size_t size, int acctflag,
 			&hugetlbfs_file_operations);
 	if (!file)
 		goto out_dentry; /* inode is already attached */
-	ima_counts_get(file);
 
 	return file;
 

ipc/shm.c

@@ -39,7 +39,6 @@
 #include <linux/nsproxy.h>
 #include <linux/mount.h>
 #include <linux/ipc_namespace.h>
-#include <linux/ima.h>
 
 #include <asm/uaccess.h>
 
@@ -895,7 +894,6 @@ long do_shmat(int shmid, char __user *shmaddr, int shmflg, ulong *raddr)
 				&shm_file_operations);
 	if (!file)
 		goto out_free;
-	ima_counts_get(file);
 
 	file->private_data = sfd;
 	file->f_mapping = shp->shm_file->f_mapping;

mm/shmem.c

@@ -29,7 +29,6 @@
 #include <linux/mm.h>
 #include <linux/module.h>
 #include <linux/swap.h>
-#include <linux/ima.h>
 
 static struct vfsmount *shm_mnt;
 
@@ -2669,7 +2668,6 @@ struct file *shmem_file_setup(const char *name, loff_t size, unsigned long flags
 	if (!file)
 		goto put_dentry;
 
-	ima_counts_get(file);
 	return file;
 
 put_dentry: