namei: store inode in nd->stack[] (237d8b32) · Commits · e / devices / android_kernel_fairphone_FP3

fs/namei.c

+5 −3

Original line number	Diff line number	Diff line
		@@ -507,6 +507,7 @@ struct nameidata {
		struct path link;
		void *cookie;
		const char *name;
		struct inode *inode;
		} *stack, internal[EMBEDDED_LEVELS];
		};

		@@ -746,7 +747,7 @@ void nd_jump_link(struct path *path)
		static inline void put_link(struct nameidata *nd)
		{
		struct saved *last = nd->stack + --nd->depth;
		struct inode *inode = last->link.dentry->d_inode;
		struct inode *inode = last->inode;
		if (last->cookie && inode->i_op->put_link)
		inode->i_op->put_link(last->link.dentry, last->cookie);
		path_put(&last->link);
		@@ -779,7 +780,7 @@ static inline int may_follow_link(struct nameidata *nd)
		return 0;

		/* Allowed if owner and follower match. */
		inode = nd->stack[0].link.dentry->d_inode;
		inode = nd->stack[0].inode;
		if (uid_eq(current_cred()->fsuid, inode->i_uid))
		return 0;

		@@ -870,7 +871,7 @@ const char get_link(struct nameidata nd)
		{
		struct saved *last = nd->stack + nd->depth - 1;
		struct dentry *dentry = last->link.dentry;
		struct inode *inode = dentry->d_inode;
		struct inode *inode = last->inode;
		int error;
		const char *res;

		@@ -1569,6 +1570,7 @@ static int pick_link(struct nameidata nd, struct path link, unsigned seq)
		last = nd->stack + nd->depth++;
		last->link = *link;
		last->cookie = NULL;
		last->inode = d_backing_inode(link->dentry);
		return 1;
		}