fuse fixes for 5.2-rc6

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Merge tag 'fuse-fixes-5.2-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse

Pull fuse fix from Miklos Szeredi:
 "Just a single revert, fixing a regression in -rc1"

* tag 'fuse-fixes-5.2-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse:
  Revert "fuse: require /dev/fuse reads to have enough buffer capacity"
This commit is contained in:
Linus Torvalds 2019-06-20 14:16:16 -07:00
commit b910f6a7cc

View File

@ -1317,16 +1317,6 @@ static ssize_t fuse_dev_do_read(struct fuse_dev *fud, struct file *file,
unsigned reqsize;
unsigned int hash;
/*
* Require sane minimum read buffer - that has capacity for fixed part
* of any request header + negotated max_write room for data. If the
* requirement is not satisfied return EINVAL to the filesystem server
* to indicate that it is not following FUSE server/client contract.
* Don't dequeue / abort any request.
*/
if (nbytes < max_t(size_t, FUSE_MIN_READ_BUFFER, 4096 + fc->max_write))
return -EINVAL;
restart:
spin_lock(&fiq->waitq.lock);
err = -EAGAIN;