security: pass mount flags to security_sb_kern_mount()

Pass mount flags to security_sb_kern_mount(), so security modules
can determine if a mount operation is being performed by the kernel.

Signed-off-by: James Morris <jmorris@namei.org>
Acked-by: Stephen Smalley <sds@tycho.nsa.gov>

4 files changed, 6 insertions, 5 deletions

diff --git a/security/capability.c b/security/capability.c
index b9e391425e6f..2dce66fcb992 100644
--- a/security/capability.c
+++ b/security/capability.c
@@ -59,7 +59,7 @@ static int cap_sb_copy_data(char *orig, char *copy)
         return 0;
 }
 
-static int cap_sb_kern_mount(struct super_block *sb, void *data)
+static int cap_sb_kern_mount(struct super_block *sb, int flags, void *data)
 {
         return 0;
 }
diff --git a/security/security.c b/security/security.c
index f0d96a6cc4e9..d85dbb37c972 100644
--- a/security/security.c
+++ b/security/security.c
@@ -254,9 +254,9 @@ int security_sb_copy_data(char *orig, char *copy)
 }
 EXPORT_SYMBOL(security_sb_copy_data);
 
-int security_sb_kern_mount(struct super_block *sb, void *data)
+int security_sb_kern_mount(struct super_block *sb, int flags, void *data)
 {
-        return security_ops->sb_kern_mount(sb, data);
+        return security_ops->sb_kern_mount(sb, flags, data);
 }
 
 int security_sb_show_options(struct seq_file *m, struct super_block *sb)
diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
index 8dbc54cde59e..7465d713b531 100644
--- a/security/selinux/hooks.c
+++ b/security/selinux/hooks.c
@@ -2474,7 +2474,7 @@ out:
         return rc;
 }
 
-static int selinux_sb_kern_mount(struct super_block *sb, void *data)
+static int selinux_sb_kern_mount(struct super_block *sb, int flags, void *data)
 {
         const struct cred *cred = current_cred();
         struct avc_audit_data ad;
diff --git a/security/smack/smack_lsm.c b/security/smack/smack_lsm.c
index 8ad48161cef5..1b5551dfc1f7 100644
--- a/security/smack/smack_lsm.c
+++ b/security/smack/smack_lsm.c
@@ -250,11 +250,12 @@ static int smack_sb_copy_data(char *orig, char *smackopts)
 /**
  * smack_sb_kern_mount - Smack specific mount processing
  * @sb: the file system superblock
+ * @flags: the mount flags
  * @data: the smack mount options
  *
  * Returns 0 on success, an error code on failure
  */
-static int smack_sb_kern_mount(struct super_block *sb, void *data)
+static int smack_sb_kern_mount(struct super_block *sb, int flags, void *data)
 {
         struct dentry *root = sb->s_root;
         struct inode *inode = root->d_inode;