linux-kernel - [PATCH v2 4/5] fuse: Do some refactoring in fuse_dev_do

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Date:   Thu, 08 Nov 2018 12:05:36 +0300
From:   Kirill Tkhai <ktkhai@...tuozzo.com>
To:     miklos@...redi.hu, ktkhai@...tuozzo.com,
        linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH v2 4/5] fuse: Do some refactoring in fuse_dev_do_write()

This is needed for next patch.

Signed-off-by: Kirill Tkhai <ktkhai@...tuozzo.com>
---
 fs/fuse/dev.c |   12 ++++--------
 1 file changed, 4 insertions(+), 8 deletions(-)

diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c
index cc9e5a9bb147..7684fb7dc680 100644
--- a/fs/fuse/dev.c
+++ b/fs/fuse/dev.c
@@ -1947,18 +1947,14 @@ static ssize_t fuse_dev_do_write(struct fuse_dev *fud,
 		__fuse_get_request(req);
 		spin_unlock(&fpq->lock);
 
-		err = -EINVAL;
-		if (nbytes != sizeof(struct fuse_out_header)) {
-			fuse_put_request(fc, req);
-			goto err_finish;
-		}
-
-		if (oh.error == -ENOSYS)
+		if (nbytes != sizeof(struct fuse_out_header))
+			nbytes = -EINVAL;
+		else if (oh.error == -ENOSYS)
 			fc->no_interrupt = 1;
 		else if (oh.error == -EAGAIN)
 			queue_interrupt(&fc->iq, req);
-		fuse_put_request(fc, req);
 
+		fuse_put_request(fc, req);
 		fuse_copy_finish(cs);
 		return nbytes;
 	}