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Commit 60f8a8d4 authored by Linus Torvalds's avatar Linus Torvalds
Browse files

Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse 

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse:
  fuse: fix large stack use
  fuse: cleanup in fuse_notify_inval_...()
parents b037bba7 b2d82ee3

fs/fuse/dev.c

+15 −15
Original line number Diff line number Diff line
@@ -865,13 +865,10 @@ static int fuse_notify_inval_inode(struct fuse_conn *fc, unsigned int size, 


	down_read(&fc->killsb);

	err = -ENOENT;

	if (!fc->sb)

		goto err_unlock;



	if (fc->sb) {

		err = fuse_reverse_inval_inode(fc->sb, outarg.ino,

					       outarg.off, outarg.len);



err_unlock:

	}

	up_read(&fc->killsb);

	return err;
@@ -884,10 +881,15 @@ static int fuse_notify_inval_entry(struct fuse_conn *fc, unsigned int size, 
				   struct fuse_copy_state *cs)

{

	struct fuse_notify_inval_entry_out outarg;

	int err = -EINVAL;

	char buf[FUSE_NAME_MAX+1];

	int err = -ENOMEM;

	char *buf;

	struct qstr name;



	buf = kzalloc(FUSE_NAME_MAX + 1, GFP_KERNEL);

	if (!buf)

		goto err;



	err = -EINVAL;

	if (size < sizeof(outarg))

		goto err;
@@ -910,16 +912,14 @@ static int fuse_notify_inval_entry(struct fuse_conn *fc, unsigned int size, 


	down_read(&fc->killsb);

	err = -ENOENT;

	if (!fc->sb)

		goto err_unlock;



	if (fc->sb)

		err = fuse_reverse_inval_entry(fc->sb, outarg.parent, &name);



err_unlock:

	up_read(&fc->killsb);

	kfree(buf);

	return err;



err:

	kfree(buf);

	fuse_copy_finish(cs);

	return err;

}