linux-kernel - [GIT PULL] rpmsg fixes for v5.17-rc1

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Date:   Wed, 26 Jan 2022 09:42:33 -0600
From:   Bjorn Andersson <bjorn.andersson@...aro.org>
To:     Linus Torvalds <torvalds@...ux-foundation.org>
Cc:     Ohad Ben-Cohen <ohad@...ery.com>, linux-remoteproc@...r.kernel.org,
        linux-kernel@...r.kernel.org, Matthias Kaehlcke <mka@...omium.org>,
        Sujit Kautkar <sujitka@...omium.org>
Subject: [GIT PULL] rpmsg fixes for v5.17-rc1

The following changes since commit 8066c615cb69b7da8a94f59379847b037b3a5e46:

  rpmsg: core: Clean up resources on announce_create failure. (2021-12-08 10:16:50 -0700)

are available in the Git repository at:

  https://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux.git tags/rpmsg-v5.17-fixes

for you to fetch changes up to 7a534ae89e34e9b51acb5a63dd0f88308178b46a:

  rpmsg: char: Fix race between the release of rpmsg_eptdev and cdev (2022-01-17 16:39:58 -0600)

----------------------------------------------------------------
rpmsg fixes for v5.17-rc1

The cdev cleanup in the rpmsg_char driver was not performed properly,
resulting in unpredicable behaviour when the parent remote processor is
stopped with any of the cdevs open by a client.

The two patches transitions the implementation to use cdev_device_add()
and cdev_del_device(), to capture the relationship between the two
objects, and relocates the incorrectly placed cdev_del().

----------------------------------------------------------------
Matthias Kaehlcke (1):
      rpmsg: char: Fix race between the release of rpmsg_eptdev and cdev

Sujit Kautkar (1):
      rpmsg: char: Fix race between the release of rpmsg_ctrldev and cdev

 drivers/rpmsg/rpmsg_char.c | 22 ++++------------------
 1 file changed, 4 insertions(+), 18 deletions(-)