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From: Dan Carpenter <dan.carpenter@linaro.org>
To: Srinivasan Shanmugam <srinivasan.shanmugam@amd.com>
Cc: "Harry Wentland" <harry.wentland@amd.com>,
	"Leo Li" <sunpeng.li@amd.com>,
	"Rodrigo Siqueira" <Rodrigo.Siqueira@amd.com>,
	"Alex Deucher" <alexander.deucher@amd.com>,
	"Christian König" <christian.koenig@amd.com>,
	"Pan, Xinhui" <Xinhui.Pan@amd.com>,
	"David Airlie" <airlied@gmail.com>,
	"Daniel Vetter" <daniel@ffwll.ch>,
	"Nicholas Kazlauskas" <nicholas.kazlauskas@amd.com>,
	"Anthony Koo" <Anthony.Koo@amd.com>,
	"Josip Pavic" <Josip.Pavic@amd.com>,
	"Leon Huang" <Leon.Huang1@amd.com>,
	"Mounika Adhuri" <moadhuri@amd.com>,
	"Lewis Huang" <lewis.huang@amd.com>,
	amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org,
	linux-kernel@vger.kernel.org, kernel-janitors@vger.kernel.org
Subject: [PATCH] drm/amd/display: Fix && vs || typos
Date: Fri, 9 Feb 2024 16:02:42 +0300	[thread overview]
Message-ID: <7482be2a-aca1-41dd-bb6e-d547571b9507@moroto.mountain> (raw)

These ANDs should be ORs or it will lead to a NULL dereference.

Fixes: fb5a3d037082 ("drm/amd/display: Add NULL test for 'timing generator' in 'dcn21_set_pipe()'")
Fixes: 886571d217d7 ("drm/amd/display: Fix 'panel_cntl' could be null in 'dcn21_set_backlight_level()'")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
---
 drivers/gpu/drm/amd/display/dc/hwss/dcn21/dcn21_hwseq.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dcn21/dcn21_hwseq.c b/drivers/gpu/drm/amd/display/dc/hwss/dcn21/dcn21_hwseq.c
index 5c7f380a84f9..7252f5f781f0 100644
--- a/drivers/gpu/drm/amd/display/dc/hwss/dcn21/dcn21_hwseq.c
+++ b/drivers/gpu/drm/amd/display/dc/hwss/dcn21/dcn21_hwseq.c
@@ -211,7 +211,7 @@ void dcn21_set_pipe(struct pipe_ctx *pipe_ctx)
 	struct dmcu *dmcu = pipe_ctx->stream->ctx->dc->res_pool->dmcu;
 	uint32_t otg_inst;
 
-	if (!abm && !tg && !panel_cntl)
+	if (!abm || !tg || !panel_cntl)
 		return;
 
 	otg_inst = tg->inst;
@@ -245,7 +245,7 @@ bool dcn21_set_backlight_level(struct pipe_ctx *pipe_ctx,
 	struct panel_cntl *panel_cntl = pipe_ctx->stream->link->panel_cntl;
 	uint32_t otg_inst;
 
-	if (!abm && !tg && !panel_cntl)
+	if (!abm || !tg || !panel_cntl)
 		return false;
 
 	otg_inst = tg->inst;
-- 
2.43.0


             reply	other threads:[~2024-02-09 13:02 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-02-09 13:02 Dan Carpenter [this message]
2024-02-09 14:12 ` Koo, Anthony
2024-02-09 17:13 ` Hamza Mahfooz

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