diff options
| author | Arnaud Pouliquen <arnaud.pouliquen@foss.st.com> | 2021-12-06 20:07:58 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-01-27 09:19:49 +0100 |
| commit | b728b5295d1b66d863d35a0b8a2ee7da31964764 (patch) | |
| tree | 232b35c8f2715015911701366dbf6d86238bf6dd /drivers/rpmsg | |
| parent | 9e2c8bd78488c722212a16ce3a5988fa1055e863 (diff) | |
rpmsg: core: Clean up resources on announce_create failure.
commit 8066c615cb69b7da8a94f59379847b037b3a5e46 upstream.
During the rpmsg_dev_probe, if rpdev->ops->announce_create returns an
error, the rpmsg device and default endpoint should be freed before
exiting the function.
Fixes: 5e619b48677c ("rpmsg: Split rpmsg core and virtio backend")
Suggested-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Arnaud Pouliquen <arnaud.pouliquen@foss.st.com>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Cc: stable <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20211206190758.10004-1-arnaud.pouliquen@foss.st.com
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/rpmsg')
| -rw-r--r-- | drivers/rpmsg/rpmsg_core.c | 20 |
1 files changed, 16 insertions, 4 deletions
diff --git a/drivers/rpmsg/rpmsg_core.c b/drivers/rpmsg/rpmsg_core.c index e330ec4dfc33..c1d4990beab0 100644 --- a/drivers/rpmsg/rpmsg_core.c +++ b/drivers/rpmsg/rpmsg_core.c @@ -473,13 +473,25 @@ static int rpmsg_dev_probe(struct device *dev) err = rpdrv->probe(rpdev); if (err) { dev_err(dev, "%s: failed: %d\n", __func__, err); - if (ept) - rpmsg_destroy_ept(ept); - goto out; + goto destroy_ept; } - if (ept && rpdev->ops->announce_create) + if (ept && rpdev->ops->announce_create) { err = rpdev->ops->announce_create(rpdev); + if (err) { + dev_err(dev, "failed to announce creation\n"); + goto remove_rpdev; + } + } + + return 0; + +remove_rpdev: + if (rpdrv->remove) + rpdrv->remove(rpdev); +destroy_ept: + if (ept) + rpmsg_destroy_ept(ept); out: return err; } |