Linux-libre 4.8.2-gnupck-4.8.2-gnu

7 files changed, 27 insertions, 49 deletions

diff --git a/fs/9p/acl.c b/fs/9p/acl.c
index 0576eaeb6..5b6a1743e 100644
--- a/fs/9p/acl.c
+++ b/fs/9p/acl.c
@@ -266,7 +266,7 @@ static int v9fs_xattr_set_acl(const struct xattr_handler *handler,
 		if (IS_ERR(acl))
 			return PTR_ERR(acl);
 		else if (acl) {
-			retval = posix_acl_valid(acl);
+			retval = posix_acl_valid(inode->i_sb->s_user_ns, acl);
 			if (retval)
 				goto err_out;
 		}
diff --git a/fs/9p/fid.c b/fs/9p/fid.c
index 47db55aee..60fb47469 100644
--- a/fs/9p/fid.c
+++ b/fs/9p/fid.c
@@ -257,36 +257,12 @@ struct p9_fid *v9fs_fid_lookup(struct dentry *dentry)
 	return v9fs_fid_lookup_with_uid(dentry, uid, any);
 }
 
-struct p9_fid *v9fs_fid_clone(struct dentry *dentry)
-{
-	struct p9_fid *fid, *ret;
-
-	fid = v9fs_fid_lookup(dentry);
-	if (IS_ERR(fid))
-		return fid;
-
-	ret = p9_client_walk(fid, 0, NULL, 1);
-	return ret;
-}
-
-static struct p9_fid *v9fs_fid_clone_with_uid(struct dentry *dentry, kuid_t uid)
-{
-	struct p9_fid *fid, *ret;
-
-	fid = v9fs_fid_lookup_with_uid(dentry, uid, 0);
-	if (IS_ERR(fid))
-		return fid;
-
-	ret = p9_client_walk(fid, 0, NULL, 1);
-	return ret;
-}
-
 struct p9_fid *v9fs_writeback_fid(struct dentry *dentry)
 {
 	int err;
 	struct p9_fid *fid;
 
-	fid = v9fs_fid_clone_with_uid(dentry, GLOBAL_ROOT_UID);
+	fid = clone_fid(v9fs_fid_lookup_with_uid(dentry, GLOBAL_ROOT_UID, 0));
 	if (IS_ERR(fid))
 		goto error_out;
 	/*
diff --git a/fs/9p/fid.h b/fs/9p/fid.h
index 2b6787fcb..4491bcaf4 100644
--- a/fs/9p/fid.h
+++ b/fs/9p/fid.h
@@ -24,7 +24,18 @@
 #include <linux/list.h>
 
 struct p9_fid *v9fs_fid_lookup(struct dentry *dentry);
-struct p9_fid *v9fs_fid_clone(struct dentry *dentry);
+static inline struct p9_fid *v9fs_parent_fid(struct dentry *dentry)
+{
+	return v9fs_fid_lookup(dentry->d_parent);
+}
 void v9fs_fid_add(struct dentry *dentry, struct p9_fid *fid);
 struct p9_fid *v9fs_writeback_fid(struct dentry *dentry);
+static inline struct p9_fid *clone_fid(struct p9_fid *fid)
+{
+	return IS_ERR(fid) ? fid :  p9_client_walk(fid, 0, NULL, 1);
+}
+static inline struct p9_fid *v9fs_fid_clone(struct dentry *dentry)
+{
+	return clone_fid(v9fs_fid_lookup(dentry));
+}
 #endif
diff --git a/fs/9p/vfs_addr.c b/fs/9p/vfs_addr.c
index c37fb9c08..6181ad79e 100644
--- a/fs/9p/vfs_addr.c
+++ b/fs/9p/vfs_addr.c
@@ -231,7 +231,6 @@ static int v9fs_launder_page(struct page *page)
 /**
  * v9fs_direct_IO - 9P address space operation for direct I/O
  * @iocb: target I/O control block
- * @pos: offset in file to begin the operation
  *
  * The presence of v9fs_direct_IO() in the address space ops vector
  * allowes open() O_DIRECT flags which would have failed otherwise.
diff --git a/fs/9p/vfs_inode.c b/fs/9p/vfs_inode.c
index e2e7c7499..8b1999b52 100644
--- a/fs/9p/vfs_inode.c
+++ b/fs/9p/vfs_inode.c
@@ -595,7 +595,7 @@ static int v9fs_remove(struct inode *dir, struct dentry *dentry, int flags)
 
 	v9ses = v9fs_inode2v9ses(dir);
 	inode = d_inode(dentry);
-	dfid = v9fs_fid_lookup(dentry->d_parent);
+	dfid = v9fs_parent_fid(dentry);
 	if (IS_ERR(dfid)) {
 		retval = PTR_ERR(dfid);
 		p9_debug(P9_DEBUG_VFS, "fid lookup failed %d\n", retval);
@@ -653,7 +653,7 @@ v9fs_create(struct v9fs_session_info *v9ses, struct inode *dir,
 	ofid = NULL;
 	fid = NULL;
 	name = (char *) dentry->d_name.name;
-	dfid = v9fs_fid_lookup(dentry->d_parent);
+	dfid = v9fs_parent_fid(dentry);
 	if (IS_ERR(dfid)) {
 		err = PTR_ERR(dfid);
 		p9_debug(P9_DEBUG_VFS, "fid lookup failed %d\n", err);
@@ -661,7 +661,7 @@ v9fs_create(struct v9fs_session_info *v9ses, struct inode *dir,
 	}
 
 	/* clone a fid to use for creation */
-	ofid = p9_client_walk(dfid, 0, NULL, 1);
+	ofid = clone_fid(dfid);
 	if (IS_ERR(ofid)) {
 		err = PTR_ERR(ofid);
 		p9_debug(P9_DEBUG_VFS, "p9_client_walk failed %d\n", err);
@@ -798,7 +798,7 @@ struct dentry *v9fs_vfs_lookup(struct inode *dir, struct dentry *dentry,
 
 	v9ses = v9fs_inode2v9ses(dir);
 	/* We can walk d_parent because we hold the dir->i_mutex */
-	dfid = v9fs_fid_lookup(dentry->d_parent);
+	dfid = v9fs_parent_fid(dentry);
 	if (IS_ERR(dfid))
 		return ERR_CAST(dfid);
 
@@ -975,13 +975,13 @@ v9fs_vfs_rename(struct inode *old_dir, struct dentry *old_dentry,
 	if (IS_ERR(oldfid))
 		return PTR_ERR(oldfid);
 
-	olddirfid = v9fs_fid_clone(old_dentry->d_parent);
+	olddirfid = clone_fid(v9fs_parent_fid(old_dentry));
 	if (IS_ERR(olddirfid)) {
 		retval = PTR_ERR(olddirfid);
 		goto done;
 	}
 
-	newdirfid = v9fs_fid_clone(new_dentry->d_parent);
+	newdirfid = clone_fid(v9fs_parent_fid(new_dentry));
 	if (IS_ERR(newdirfid)) {
 		retval = PTR_ERR(newdirfid);
 		goto clunk_olddir;
diff --git a/fs/9p/vfs_inode_dotl.c b/fs/9p/vfs_inode_dotl.c
index 1b51eaa5e..eeabcb0ba 100644
--- a/fs/9p/vfs_inode_dotl.c
+++ b/fs/9p/vfs_inode_dotl.c
@@ -273,7 +273,7 @@ v9fs_vfs_atomic_open_dotl(struct inode *dir, struct dentry *dentry,
 	p9_debug(P9_DEBUG_VFS, "name:%s flags:0x%x mode:0x%hx\n",
 		 name, flags, omode);
 
-	dfid = v9fs_fid_lookup(dentry->d_parent);
+	dfid = v9fs_parent_fid(dentry);
 	if (IS_ERR(dfid)) {
 		err = PTR_ERR(dfid);
 		p9_debug(P9_DEBUG_VFS, "fid lookup failed %d\n", err);
@@ -281,7 +281,7 @@ v9fs_vfs_atomic_open_dotl(struct inode *dir, struct dentry *dentry,
 	}
 
 	/* clone a fid to use for creation */
-	ofid = p9_client_walk(dfid, 0, NULL, 1);
+	ofid = clone_fid(dfid);
 	if (IS_ERR(ofid)) {
 		err = PTR_ERR(ofid);
 		p9_debug(P9_DEBUG_VFS, "p9_client_walk failed %d\n", err);
@@ -389,7 +389,6 @@ static int v9fs_vfs_mkdir_dotl(struct inode *dir,
 	umode_t mode;
 	struct inode *inode;
 	struct p9_qid qid;
-	struct dentry *dir_dentry;
 	struct posix_acl *dacl = NULL, *pacl = NULL;
 
 	p9_debug(P9_DEBUG_VFS, "name %pd\n", dentry);
@@ -400,8 +399,7 @@ static int v9fs_vfs_mkdir_dotl(struct inode *dir,
 	if (dir->i_mode & S_ISGID)
 		omode |= S_ISGID;
 
-	dir_dentry = dentry->d_parent;
-	dfid = v9fs_fid_lookup(dir_dentry);
+	dfid = v9fs_parent_fid(dentry);
 	if (IS_ERR(dfid)) {
 		err = PTR_ERR(dfid);
 		p9_debug(P9_DEBUG_VFS, "fid lookup failed %d\n", err);
@@ -691,7 +689,7 @@ v9fs_vfs_symlink_dotl(struct inode *dir, struct dentry *dentry,
 	p9_debug(P9_DEBUG_VFS, "%lu,%s,%s\n", dir->i_ino, name, symname);
 	v9ses = v9fs_inode2v9ses(dir);
 
-	dfid = v9fs_fid_lookup(dentry->d_parent);
+	dfid = v9fs_parent_fid(dentry);
 	if (IS_ERR(dfid)) {
 		err = PTR_ERR(dfid);
 		p9_debug(P9_DEBUG_VFS, "fid lookup failed %d\n", err);
@@ -762,7 +760,6 @@ v9fs_vfs_link_dotl(struct dentry *old_dentry, struct inode *dir,
 		struct dentry *dentry)
 {
 	int err;
-	struct dentry *dir_dentry;
 	struct p9_fid *dfid, *oldfid;
 	struct v9fs_session_info *v9ses;
 
@@ -770,8 +767,7 @@ v9fs_vfs_link_dotl(struct dentry *old_dentry, struct inode *dir,
 		 dir->i_ino, old_dentry, dentry);
 
 	v9ses = v9fs_inode2v9ses(dir);
-	dir_dentry = dentry->d_parent;
-	dfid = v9fs_fid_lookup(dir_dentry);
+	dfid = v9fs_parent_fid(dentry);
 	if (IS_ERR(dfid))
 		return PTR_ERR(dfid);
 
@@ -822,7 +818,6 @@ v9fs_vfs_mknod_dotl(struct inode *dir, struct dentry *dentry, umode_t omode,
 	struct p9_fid *fid = NULL, *dfid = NULL;
 	struct inode *inode;
 	struct p9_qid qid;
-	struct dentry *dir_dentry;
 	struct posix_acl *dacl = NULL, *pacl = NULL;
 
 	p9_debug(P9_DEBUG_VFS, " %lu,%pd mode: %hx MAJOR: %u MINOR: %u\n",
@@ -830,8 +825,7 @@ v9fs_vfs_mknod_dotl(struct inode *dir, struct dentry *dentry, umode_t omode,
 		 MAJOR(rdev), MINOR(rdev));
 
 	v9ses = v9fs_inode2v9ses(dir);
-	dir_dentry = dentry->d_parent;
-	dfid = v9fs_fid_lookup(dir_dentry);
+	dfid = v9fs_parent_fid(dentry);
 	if (IS_ERR(dfid)) {
 		err = PTR_ERR(dfid);
 		p9_debug(P9_DEBUG_VFS, "fid lookup failed %d\n", err);
diff --git a/fs/9p/xattr.c b/fs/9p/xattr.c
index a6bd349ba..f329eee6d 100644
--- a/fs/9p/xattr.c
+++ b/fs/9p/xattr.c
@@ -97,8 +97,6 @@ int v9fs_xattr_set(struct dentry *dentry, const char *name,
 		   const void *value, size_t value_len, int flags)
 {
 	struct p9_fid *fid = v9fs_fid_lookup(dentry);
-	if (IS_ERR(fid))
-		return PTR_ERR(fid);
 	return v9fs_fid_xattr_set(fid, name, value, value_len, flags);
 }
 
@@ -115,7 +113,7 @@ int v9fs_fid_xattr_set(struct p9_fid *fid, const char *name,
 		 name, value_len, flags);
 
 	/* Clone it */
-	fid = p9_client_walk(fid, 0, NULL, 1);
+	fid = clone_fid(fid);
 	if (IS_ERR(fid))
 		return PTR_ERR(fid);