linux-kernel - [PATCH] drm/msm: Fix inverted WARN

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Message-ID: <20250613144144.27945-1-robin.clark@oss.qualcomm.com>
Date: Fri, 13 Jun 2025 07:41:44 -0700
From: Rob Clark <robin.clark@....qualcomm.com>
To: dri-devel@...ts.freedesktop.org
Cc: freedreno@...ts.freedesktop.org, linux-arm-msm@...r.kernel.org,
        Rob Clark <robin.clark@....qualcomm.com>,
        Konrad Dybcio <konrad.dybcio@....qualcomm.com>,
        Neil Armstrong <neil.armstrong@...aro.org>,
        Rob Clark <robdclark@...il.com>, Sean Paul <sean@...rly.run>,
        Konrad Dybcio <konradybcio@...nel.org>,
        Abhinav Kumar <quic_abhinavk@...cinc.com>,
        Dmitry Baryshkov <lumag@...nel.org>,
        Marijn Suijten <marijn.suijten@...ainline.org>,
        David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>,
        linux-kernel@...r.kernel.org (open list)
Subject: [PATCH] drm/msm: Fix inverted WARN_ON() logic

We want to WARN_ON() if info is NULL.

Suggested-by: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
Fixes: 0838fc3e6718 ("drm/msm/adreno: Check for recognized GPU before bind")
Tested-by: Neil Armstrong <neil.armstrong@...aro.org>
Signed-off-by: Rob Clark <robin.clark@....qualcomm.com>
---
 drivers/gpu/drm/msm/adreno/adreno_device.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/msm/adreno/adreno_device.c b/drivers/gpu/drm/msm/adreno/adreno_device.c
index 0d12454b1f2e..5c52d392427f 100644
--- a/drivers/gpu/drm/msm/adreno/adreno_device.c
+++ b/drivers/gpu/drm/msm/adreno/adreno_device.c
@@ -217,7 +217,7 @@ static int adreno_bind(struct device *dev, struct device *master, void *data)
 
 	info = adreno_info(config.chip_id);
 	/* We shouldn't have gotten this far if we don't recognize the GPU: */
-	if (!WARN_ON(info))
+	if (WARN_ON(!info))
 		return -ENXIO;
 
 	config.info = info;
-- 
2.49.0