kernel: smack security backport from kernel 4

Here is the backport of all patches relating to smack support
on kernel side. For more details, see file:

  meta-rcar-gen2/recipes-kernel/linux/linux-renesas/smack/README

Please note that patches are applied only if "smack" is in the
ditro features. Here are the 2 lines to add in the local.conf

OVERRIDES .= ":smack"
DISTRO_FEATURES_append = " smack"

Change-Id: I147a3532aec531f977d6ec34c576261835711f1e
Signed-off-by: Yannick GICQUEL <yannick.gicquel@iot.bzh>
Signed-off-by: José Bollo <jose.bollo@iot.bzh>

1 files changed, 63 insertions, 0 deletions

diff --git a/meta-rcar-gen2/recipes-kernel/linux/linux-renesas/smack/0039-Small-fixes-in-comments-describing-function-paramete.patch b/meta-rcar-gen2/recipes-kernel/linux/linux-renesas/smack/0039-Small-fixes-in-comments-describing-function-paramete.patch
new file mode 100644
index 0000000..e8477ff
--- /dev/null
+++ b/meta-rcar-gen2/recipes-kernel/linux/linux-renesas/smack/0039-Small-fixes-in-comments-describing-function-paramete.patch
@@ -0,0 +1,63 @@
+From 59332d77a0cd1574189276f202cc1df7478f5620 Mon Sep 17 00:00:00 2001
+From: Lukasz Pawelczyk <l.pawelczyk@samsung.com>
+Date: Fri, 29 Aug 2014 17:02:53 +0200
+Subject: [PATCH 39/54] Small fixes in comments describing function parameters
+
+Signed-off-by: Lukasz Pawelczyk <l.pawelczyk@samsung.com>
+---
+ security/smack/smack_lsm.c | 18 +++++++++---------
+ 1 file changed, 9 insertions(+), 9 deletions(-)
+
+diff --git a/security/smack/smack_lsm.c b/security/smack/smack_lsm.c
+index 6f32c67..a510828 100644
+--- a/security/smack/smack_lsm.c
++++ b/security/smack/smack_lsm.c
+@@ -771,8 +771,8 @@ static void smack_inode_free_security(struct inode *inode)
+ 
+ /**
+  * smack_inode_init_security - copy out the smack from an inode
+- * @inode: the inode
+- * @dir: unused
++ * @inode: the newly created inode
++ * @dir: containing directory object
+  * @qstr: unused
+  * @name: where to put the attribute name
+  * @value: where to put the attribute value
+@@ -923,10 +923,10 @@ static int smack_inode_rmdir(struct inode *dir, struct dentry *dentry)
+ 
+ /**
+  * smack_inode_rename - Smack check on rename
+- * @old_inode: the old directory
+- * @old_dentry: unused
+- * @new_inode: the new directory
+- * @new_dentry: unused
++ * @old_inode: unused
++ * @old_dentry: the old object
++ * @new_inode: unused
++ * @new_dentry: the new object
+  *
+  * Read and write access is required on both the old and
+  * new directories.
+@@ -1017,7 +1017,7 @@ static int smack_inode_setattr(struct dentry *dentry, struct iattr *iattr)
+ 
+ /**
+  * smack_inode_getattr - Smack check for getting attributes
+- * @mnt: unused
++ * @mnt: vfsmount of the object
+  * @dentry: the object
+  *
+  * Returns 0 if access is permitted, an error code otherwise
+@@ -1042,8 +1042,8 @@ static int smack_inode_getattr(struct vfsmount *mnt, struct dentry *dentry)
+  * smack_inode_setxattr - Smack check for setting xattrs
+  * @dentry: the object
+  * @name: name of the attribute
+- * @value: unused
+- * @size: unused
++ * @value: value of the attribute
++ * @size: size of the value
+  * @flags: unused
+  *
+  * This protects the Smack attribute explicitly.
+-- 
+2.1.4
+