linux-kernel - [PATCH 1/2] drm/nouveau/nvkm/outp: Use WARN_ON() in conditionals in nvkm_outp_init

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Date:   Fri,  7 Apr 2023 18:21:31 -0400
From:   Lyude Paul <lyude@...hat.com>
To:     dri-devel@...ts.freedesktop.org, nouveau@...ts.freedesktop.org
Cc:     Ben Skeggs <bskeggs@...hat.com>, Karol Herbst <kherbst@...hat.com>,
        David Airlie <airlied@...il.com>,
        Daniel Vetter <daniel@...ll.ch>,
        Dave Airlie <airlied@...hat.com>,
        linux-kernel@...r.kernel.org (open list)
Subject: [PATCH 1/2] drm/nouveau/nvkm/outp: Use WARN_ON() in conditionals in nvkm_outp_init_route()

Signed-off-by: Lyude Paul <lyude@...hat.com>
---
 drivers/gpu/drm/nouveau/nvkm/engine/disp/outp.c | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/outp.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/outp.c
index 6094805fbd63..06b19883a06b 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/outp.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/outp.c
@@ -229,10 +229,8 @@ nvkm_outp_init_route(struct nvkm_outp *outp)
 		return;
 
 	ior = nvkm_ior_find(disp, type, -1);
-	if (!ior) {
-		WARN_ON(1);
+	if (WARN_ON(!ior))
 		return;
-	}
 
 	/* Determine the specific OR, if any, this device is attached to. */
 	if (ior->func->route.get) {
@@ -248,10 +246,8 @@ nvkm_outp_init_route(struct nvkm_outp *outp)
 	}
 
 	ior = nvkm_ior_find(disp, type, id);
-	if (!ior) {
-		WARN_ON(1);
+	if (WARN_ON(!ior))
 		return;
-	}
 
 	/* Determine if the OR is already configured for this device. */
 	ior->func->state(ior, &ior->arm);
-- 
2.39.2