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authorChris Lew <clew@codeaurora.org>2020-06-24 22:15:19 +0530
committerBjorn Andersson <bjorn.andersson@linaro.org>2020-09-15 03:51:03 +0000
commitd5158cda9e7b66fd412815df32e58943b7383f0c (patch)
tree2fa6b590e6a088a1e064e016dd36db2a1d936394 /drivers/rpmsg/rpmsg_core.c
parent4fcdaf6e28d11e2f3820d54dd23cd12a47ddd44e (diff)
downloadlinux-d5158cda9e7b66fd412815df32e58943b7383f0c.tar.gz
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>
Diffstat (limited to 'drivers/rpmsg/rpmsg_core.c')
-rw-r--r--drivers/rpmsg/rpmsg_core.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/rpmsg/rpmsg_core.c b/drivers/rpmsg/rpmsg_core.c
index a6361cad608b..91de940896e3 100644
--- a/drivers/rpmsg/rpmsg_core.c
+++ b/drivers/rpmsg/rpmsg_core.c
@@ -81,7 +81,7 @@ EXPORT_SYMBOL(rpmsg_create_ept);
  */
 void rpmsg_destroy_ept(struct rpmsg_endpoint *ept)
 {
-	if (ept)
+	if (ept && ept->ops)
 		ept->ops->destroy_ept(ept);
 }
 EXPORT_SYMBOL(rpmsg_destroy_ept);