Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 1aa5d272 authored by Lina Iyer's avatar Lina Iyer
Browse files

drivers: qcom: rpmh: Check for valid input 



Check the input arguments and make sure they are valid in write_passthru
API.

Change-Id: I5a840c5237c948d160640d0a130376a9938eae5a
Signed-off-by: default avatarLina Iyer <ilina@codeaurora.org>
parent deda3be7

drivers/soc/qcom/rpmh.c

+4 −1
Original line number Diff line number Diff line
@@ -463,6 +463,9 @@ int rpmh_write_passthru(struct rpmh_client *rc, enum rpmh_state state, 
	unsigned long flags;

	struct rpmh_mbox *rpm;



	if (IS_ERR_OR_NULL(rc) || !cmd || !n)

		return -EINVAL;



	if (rpmh_standalone)

		return 0;
@@ -478,7 +481,7 @@ int rpmh_write_passthru(struct rpmh_client *rc, enum rpmh_state state, 
	while (n[count++])

		;

	count--;

	if (count >= RPMH_MAX_REQ_IN_BATCH)

	if (!count || count >= RPMH_MAX_REQ_IN_BATCH)

		return -EINVAL;



	if (state == RPMH_ACTIVE_ONLY_STATE || state == RPMH_AWAKE_STATE) {