[V5,2/5] rpmsg: Guard against null endpoint ops in destroy
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Message ID 0101016e9292a1af-f408df27-58cd-44b1-8258-a7090ec77c30-000000@us-west-2.amazonses.com
State New
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Series
  • Add chrdev and name query support for GLINK
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Commit Message

Arun Kumar Neelakantam Nov. 22, 2019, 10:05 a.m. UTC
From: Chris Lew <clew@codeaurora.org>

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>
---
 drivers/rpmsg/rpmsg_core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Patch
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diff --git a/drivers/rpmsg/rpmsg_core.c b/drivers/rpmsg/rpmsg_core.c
index e330ec4..d6c3275 100644
--- a/drivers/rpmsg/rpmsg_core.c
+++ b/drivers/rpmsg/rpmsg_core.c
@@ -81,7 +81,7 @@  struct rpmsg_endpoint *rpmsg_create_ept(struct rpmsg_device *rpdev,
  */
 void rpmsg_destroy_ept(struct rpmsg_endpoint *ept)
 {
-	if (ept)
+	if (ept && ept->ops)
 		ept->ops->destroy_ept(ept);
 }
 EXPORT_SYMBOL(rpmsg_destroy_ept);