linux-kernel - [RFC PATCH v2 0/4] staging: vt6655: Implement allocation failure handling

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Date:   Wed, 28 Sep 2022 19:21:46 +0200
From:   Nam Cao <namcaov@...il.com>
To:     forest@...ttletooquiet.net, gregkh@...uxfoundation.org,
        dan.carpenter@...cle.com
Cc:     namcaov@...il.com, philipp.g.hortmann@...il.com,
        linux-kernel@...r.kernel.org, linux-staging@...ts.linux.dev
Subject: [RFC PATCH v2 0/4] staging: vt6655: Implement allocation failure handling

This driver does not handle allocation failure when receiving data very
well. This patchset implements better handling in the case of allocation
failure.

Also do some necessary clean-up to implement this.

v2:
  - squash 3 commits that were doing a single thing
  - add new commit which removes a redundant assignment
  - take device_init_rx_desc() out of unnecessary else condition.
  - remove return statement at the end of void function
  - add a missing rd = rd->next statement in device_rx_srv(): because
    we already drop the current buffer, we should move on to the next
    buffer in the ring where new data will be written to.

Nam Cao (4):
  staging: vt6655: remove redundant if condition
  staging: vt6655: change vnt_receive_frame return type to void
  staging: vt6655: remove redundant assignment
  staging: vt6655: implement allocation failure handling

 drivers/staging/vt6655/device_main.c | 40 +++++++++++++++++-----------
 drivers/staging/vt6655/dpc.c         |  8 +++---
 drivers/staging/vt6655/dpc.h         |  2 +-
 3 files changed, 28 insertions(+), 22 deletions(-)

-- 
2.25.1