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drm/panel: nt37801: Fix IS_ERR() vs NULL check in probe()

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The devm_drm_panel_alloc() function returns error pointers, it doesn't
return NULL.  Update the check to match.

Fixes: 4fca684986 ("drm/panel: Add Novatek NT37801 panel driver")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Jessica Zhang <quic_jesszhan@quicinc.com>
Link: https://lore.kernel.org/r/aDCdn9r_ZAUTRpWn@stanley.mountain
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
This commit is contained in:
Dan Carpenter 2025-05-23 19:09:03 +03:00 committed by Dmitry Baryshkov
parent 022546cdbf
commit 4673dec88d
1 changed files with 2 additions and 2 deletions
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4
drivers/gpu/drm/panel/panel-novatek-nt37801.c
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@ -257,8 +257,8 @@ static int novatek_nt37801_probe(struct mipi_dsi_device *dsi)
ctx = devm_drm_panel_alloc(dev, struct novatek_nt37801, panel,
&novatek_nt37801_panel_funcs,
DRM_MODE_CONNECTOR_DSI);
if (!ctx)
return -ENOMEM;
if (IS_ERR(ctx))
return PTR_ERR(ctx);
ret = devm_regulator_bulk_get_const(dev,
ARRAY_SIZE(novatek_nt37801_supplies),