Merge branch 'for-linus-3' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs

Pull vfs xattr cleanups from Al Viro.

* 'for-linus-3' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
  f2fs: xattr simplifications
  squashfs: xattr simplifications
  9p: xattr simplifications
  xattr handlers: Pass handler to operations instead of flags
  jffs2: Add missing capability check for listing trusted xattrs
  hfsplus: Remove unused xattr handler list operations
  ubifs: Remove unused security xattr handler
  vfs: Fix the posix_acl_xattr_list return value
  vfs: Check attribute names in posix acl xattr handers

1 files changed, 13 insertions, 6 deletions

diff --git a/fs/jffs2/xattr_trusted.c b/fs/jffs2/xattr_trusted.c
index ceaf9c693225..a562da0d6a26 100644
--- a/fs/jffs2/xattr_trusted.c
+++ b/fs/jffs2/xattr_trusted.c
@@ -16,8 +16,9 @@
 #include <linux/mtd/mtd.h>
 #include "nodelist.h"
 
-static int jffs2_trusted_getxattr(struct dentry *dentry, const char *name,
-		void *buffer, size_t size, int type)
+static int jffs2_trusted_getxattr(const struct xattr_handler *handler,
+				  struct dentry *dentry, const char *name,
+				  void *buffer, size_t size)
 {
 	if (!strcmp(name, ""))
 		return -EINVAL;
@@ -25,8 +26,9 @@ static int jffs2_trusted_getxattr(struct dentry *dentry, const char *name,
 				 name, buffer, size);
 }
 
-static int jffs2_trusted_setxattr(struct dentry *dentry, const char *name,
-		const void *buffer, size_t size, int flags, int type)
+static int jffs2_trusted_setxattr(const struct xattr_handler *handler,
+				  struct dentry *dentry, const char *name,
+				  const void *buffer, size_t size, int flags)
 {
 	if (!strcmp(name, ""))
 		return -EINVAL;
@@ -34,11 +36,16 @@ static int jffs2_trusted_setxattr(struct dentry *dentry, const char *name,
 				 name, buffer, size, flags);
 }
 
-static size_t jffs2_trusted_listxattr(struct dentry *dentry, char *list,
-		size_t list_size, const char *name, size_t name_len, int type)
+static size_t jffs2_trusted_listxattr(const struct xattr_handler *handler,
+				      struct dentry *dentry, char *list,
+				      size_t list_size, const char *name,
+				      size_t name_len)
 {
 	size_t retlen = XATTR_TRUSTED_PREFIX_LEN + name_len + 1;
 
+	if (!capable(CAP_SYS_ADMIN))
+		return 0;
+
 	if (list && retlen<=list_size) {
 		strcpy(list, XATTR_TRUSTED_PREFIX);
 		strcpy(list + XATTR_TRUSTED_PREFIX_LEN, name);