Commit 399c91c3 authored by Miaoqian Lin's avatar Miaoqian Lin Committed by Vinod Koul
Browse files

phy: mediatek: Fix missing check in mtk_mipi_tx_probe 



The of_device_get_match_data() function may return NULL.
Add check to prevent potential null dereference.

Signed-off-by: default avatarMiaoqian Lin <linmq006@gmail.com>
Reviewed-by: default avatarAngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20211224082103.7658-1-linmq006@gmail.com


Signed-off-by: default avatarVinod Koul <vkoul@kernel.org>
parent 898c7a9e

drivers/phy/mediatek/phy-mtk-mipi-dsi.c

+2 −0
Original line number Diff line number Diff line
@@ -146,6 +146,8 @@ static int mtk_mipi_tx_probe(struct platform_device *pdev) 
		return -ENOMEM;



	mipi_tx->driver_data = of_device_get_match_data(dev);

	if (!mipi_tx->driver_data)

		return -ENODEV;



	mipi_tx->regs = devm_platform_ioremap_resource(pdev, 0);

	if (IS_ERR(mipi_tx->regs))