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remoteproc: fix null pointer dereference on glink only platforms

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Currently calling list_del on smd subdev remove path results in
null pointer dereference on glink only platforms. Fix this by
adding safety checks in glink/smd subdev remove paths.

Signed-off-by: Sibi Sankar <sibis@codeaurora.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
This commit is contained in:
Sibi Sankar 2018-04-03 23:45:15 +05:30 committed by Bjorn Andersson
parent dea4bd1975
commit 730b2ad8f7
1 changed files with 6 additions and 0 deletions
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6
drivers/remoteproc/qcom_common.c
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@ -75,6 +75,9 @@ EXPORT_SYMBOL_GPL(qcom_add_glink_subdev);
*/
void qcom_remove_glink_subdev(struct rproc *rproc, struct qcom_rproc_glink *glink)
{
if (!glink->node)
return;
rproc_remove_subdev(rproc, &glink->subdev);
of_node_put(glink->node);
}
@ -165,6 +168,9 @@ EXPORT_SYMBOL_GPL(qcom_add_smd_subdev);
*/
void qcom_remove_smd_subdev(struct rproc *rproc, struct qcom_rproc_subdev *smd)
{
if (!smd->node)
return;
rproc_remove_subdev(rproc, &smd->subdev);
of_node_put(smd->node);
}