Commit 5556b9fe authored Aug 26, 2019 by Dan Carpenter Committed by Alex Deucher Aug 27, 2019

drm/amd/powerplay: Fix an off by one in navi10_get_smu_msg_index()



The navi10_message_map[] array has SMU_MSG_MAX_COUNT elements so the ">"
has to be changed to ">=" to prevent reading one element beyond the end
of the array.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

parent ed8a5fb2

drivers/gpu/drm/amd/powerplay/navi10_ppt.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -213,7 +213,7 @@ static int navi10_get_smu_msg_index(struct smu_context *smc, uint32_t index)
		{
		struct smu_11_0_cmn2aisc_mapping mapping;

		if (index > SMU_MSG_MAX_COUNT)
		if (index >= SMU_MSG_MAX_COUNT)
		return -EINVAL;

		mapping = navi10_message_map[index];

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