[PATCH] firmware: scmi: correct a validity check against power domain id

AKASHI Takahiro takahiro.akashi at linaro.org
Tue Nov 7 01:05:47 CET 2023


A power domain id on sandbox should be in the range from zero to
ARRAY_SIZE(scmi_pwdom) - 1. Correct the validity check logic.

Signed-off-by: AKASHI Takahiro <takahiro.akashi at linaro.org>
Fixes: CID 467401
Fixes: CID 467405
---
 drivers/firmware/scmi/sandbox-scmi_agent.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/firmware/scmi/sandbox-scmi_agent.c b/drivers/firmware/scmi/sandbox-scmi_agent.c
index 9f5f497e0a6c..d13180962662 100644
--- a/drivers/firmware/scmi/sandbox-scmi_agent.c
+++ b/drivers/firmware/scmi/sandbox-scmi_agent.c
@@ -576,7 +576,7 @@ static int sandbox_scmi_pwd_attribs(struct udevice *dev, struct scmi_msg *msg)
 	domain_id = *(u32 *)msg->in_msg;
 	out = (struct scmi_pwd_attrs_out *)msg->out_msg;
 
-	if (domain_id > ARRAY_SIZE(scmi_pwdom)) {
+	if (domain_id >= ARRAY_SIZE(scmi_pwdom)) {
 		out->status = SCMI_NOT_FOUND;
 
 		return 0;
@@ -613,7 +613,7 @@ static int sandbox_scmi_pwd_state_set(struct udevice *dev, struct scmi_msg *msg)
 	in = (struct scmi_pwd_state_set_in *)msg->in_msg;
 	status = (s32 *)msg->out_msg;
 
-	if (in->domain_id > ARRAY_SIZE(scmi_pwdom)) {
+	if (in->domain_id >= ARRAY_SIZE(scmi_pwdom)) {
 		*status = SCMI_NOT_FOUND;
 
 		return 0;
@@ -653,7 +653,7 @@ static int sandbox_scmi_pwd_state_get(struct udevice *dev, struct scmi_msg *msg)
 	domain_id = *(u32 *)msg->in_msg;
 	out = (struct scmi_pwd_state_get_out *)msg->out_msg;
 
-	if (domain_id > ARRAY_SIZE(scmi_pwdom)) {
+	if (domain_id >= ARRAY_SIZE(scmi_pwdom)) {
 		out->status = SCMI_NOT_FOUND;
 
 		return 0;
@@ -686,7 +686,7 @@ static int sandbox_scmi_pwd_name_get(struct udevice *dev, struct scmi_msg *msg)
 	domain_id = *(u32 *)msg->in_msg;
 	out = (struct scmi_pwd_name_get_out *)msg->out_msg;
 
-	if (domain_id > ARRAY_SIZE(scmi_pwdom)) {
+	if (domain_id >= ARRAY_SIZE(scmi_pwdom)) {
 		out->status = SCMI_NOT_FOUND;
 
 		return 0;
-- 
2.34.1



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