From: jsg <jsg@openbsd.org>
Date: Fri, 2 Feb 2024 03:34:24 +0000 (+0000)
Subject: drm/amd/display: Fix uninitialized variable usage in core_link_ 'read_dpcd() & write_... 
X-Git-Url: http://artulab.com/gitweb/?a=commitdiff_plain;h=40b40b22102ed4609150845375d37db2b2b918ca;p=openbsd

drm/amd/display: Fix uninitialized variable usage in core_link_ 'read_dpcd() & write_dpcd()' functions

From Srinivasan Shanmugam
b565f41b9f20ed65d73660ffa6d8e495bc839789 in linux-6.6.y/6.6.15
a58371d632ebab9ea63f10893a6b6731196b6f8d in mainline linux
---

diff --git a/sys/dev/pci/drm/amd/display/dc/link/protocols/link_dpcd.c b/sys/dev/pci/drm/amd/display/dc/link/protocols/link_dpcd.c
index 5c9a30211c1..fc50931c2ae 100644
--- a/sys/dev/pci/drm/amd/display/dc/link/protocols/link_dpcd.c
+++ b/sys/dev/pci/drm/amd/display/dc/link/protocols/link_dpcd.c
@@ -205,7 +205,7 @@ enum dc_status core_link_read_dpcd(
 	uint32_t extended_size;
 	/* size of the remaining partitioned address space */
 	uint32_t size_left_to_read;
-	enum dc_status status;
+	enum dc_status status = DC_ERROR_UNEXPECTED;
 	/* size of the next partition to be read from */
 	uint32_t partition_size;
 	uint32_t data_index = 0;
@@ -234,7 +234,7 @@ enum dc_status core_link_write_dpcd(
 {
 	uint32_t partition_size;
 	uint32_t data_index = 0;
-	enum dc_status status;
+	enum dc_status status = DC_ERROR_UNEXPECTED;
 
 	while (size) {
 		partition_size = dpcd_get_next_partition_size(address, size);