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rpmsg: Guard against null endpoint ops in destroy 

In RPMSG GLINK the chrdev device will allocate an ept as part of the
rpdev creation. This device will not register endpoint ops even though
it has an allocated ept. Protect against the case where the device is
being destroyed.

Signed-off-by: Chris Lew <clew@codeaurora.org>
Signed-off-by: Arun Kumar Neelakantam <aneela@codeaurora.org>
Signed-off-by: Deepak Kumar Singh <deesin@codeaurora.org>
Link: https://lore.kernel.org/r/1593017121-7953-3-git-send-email-deesin@codeaurora.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
This commit is contained in:
Chris Lew 2020-06-24 22:15:19 +05:30 committed by Bjorn Andersson
parent 4fcdaf6e28
commit d5158cda9e
1 changed files with 1 additions and 1 deletions
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2
drivers/rpmsg/rpmsg_core.c
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@ -81,7 +81,7 @@ EXPORT_SYMBOL(rpmsg_create_ept);
*/ */
void rpmsg_destroy_ept(struct rpmsg_endpoint *ept) void rpmsg_destroy_ept(struct rpmsg_endpoint *ept)
{ {
if (ept) if (ept && ept->ops)
ept->ops->destroy_ept(ept); ept->ops->destroy_ept(ept);
} }
EXPORT_SYMBOL(rpmsg_destroy_ept); EXPORT_SYMBOL(rpmsg_destroy_ept);