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virtiofsd: Get rid of unreachable code in read

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pvreadv() can return following.

- error
- 0 in case of EOF
- short read

We seem to handle all the cases already. We are retrying read in case
of short read. So another check for short read seems like dead code.
Get rid of it.

Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Connor Kuehl <ckuehl@redhat.com>
Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
Message-Id: <20210518213538.693422-3-vgoyal@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
This commit is contained in:
Vivek Goyal 2021-05-18 17:35:33 -04:00 • committed by Dr. David Alan Gilbert
parent 04c9f7e04a
commit b31ff38931
1 changed files with 0 additions and 5 deletions
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5
tools/virtiofsd/fuse_virtio.c
View file

@ -446,11 +446,6 @@ int virtio_send_data_iov(struct fuse_session *se, struct fuse_chan *ch,
in_sg_left);
break;
}
if (ret != len) {
fuse_log(FUSE_LOG_DEBUG, "%s: ret!=len\n", __func__);
ret = EIO;
goto err;
}
in_sg_left -= ret;
len -= ret;
} while (in_sg_left);