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Commit 8ba74517 authored by Linus Torvalds's avatar Linus Torvalds
Browse files

Merge branch 'for-3.14' of git://linux-nfs.org/~bfields/linux 

Pull two nfsd bugfixes from Bruce Fields.

* 'for-3.14' of git://linux-nfs.org/~bfields/linux:
  lockd: send correct lock when granting a delayed lock.
  nfsd4: fix acl buffer overrun
parents bd3813d5 2ec197db

fs/lockd/svclock.c

+8 −0
Original line number Diff line number Diff line
@@ -779,6 +779,7 @@ nlmsvc_grant_blocked(struct nlm_block *block) 
	struct nlm_file		*file = block->b_file;

	struct nlm_lock		*lock = &block->b_call->a_args.lock;

	int			error;

	loff_t			fl_start, fl_end;



	dprintk("lockd: grant blocked lock %p\n", block);
@@ -796,9 +797,16 @@ nlmsvc_grant_blocked(struct nlm_block *block) 
	}



	/* Try the lock operation again */

	/* vfs_lock_file() can mangle fl_start and fl_end, but we need

	 * them unchanged for the GRANT_MSG

	 */

	lock->fl.fl_flags |= FL_SLEEP;

	fl_start = lock->fl.fl_start;

	fl_end = lock->fl.fl_end;

	error = vfs_lock_file(file->f_file, F_SETLK, &lock->fl, NULL);

	lock->fl.fl_flags &= ~FL_SLEEP;

	lock->fl.fl_start = fl_start;

	lock->fl.fl_end = fl_end;



	switch (error) {

	case 0:

fs/nfsd/nfs4acl.c

+3 −6
Original line number Diff line number Diff line
@@ -151,17 +151,15 @@ nfsd4_get_nfs4_acl(struct svc_rqst *rqstp, struct dentry *dentry, 
		pacl = posix_acl_from_mode(inode->i_mode, GFP_KERNEL);

		if (IS_ERR(pacl))

			return PTR_ERR(pacl);

	}

	/* allocate for worst case: one (deny, allow) pair each: */

	size += 2 * pacl->a_count;

	}



	if (S_ISDIR(inode->i_mode)) {

		flags = NFS4_ACL_DIR;

		dpacl = get_acl(inode, ACL_TYPE_DEFAULT);

		if (dpacl)

			size += 2 * dpacl->a_count;

	} else {

		dpacl = NULL;

	}



	*acl = nfs4_acl_new(size);
@@ -170,7 +168,6 @@ nfsd4_get_nfs4_acl(struct svc_rqst *rqstp, struct dentry *dentry, 
		goto out;

	}



	if (pacl)

	_posix_to_nfsv4_one(pacl, *acl, flags & ~NFS4_ACL_TYPE_DEFAULT);



	if (dpacl)