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Date: Fri, 22 Mar 2019 12:14:52 +0100 From: Greg Kroah-Hartman <gregkh@...uxfoundation.org> To: linux-kernel@...r.kernel.org Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>, stable@...r.kernel.org, Dan Carpenter <dan.carpenter@...cle.com>, Gabriel Fernandez <gabriel.fernandez@...com>, Dmitry Torokhov <dmitry.torokhov@...il.com>, Sasha Levin <sashal@...nel.org> Subject: [PATCH 4.9 020/118] Input: st-keyscan - fix potential zalloc NULL dereference 4.9-stable review patch. If anyone has any objections, please let me know. ------------------ [ Upstream commit 2439d37e1bf8a34d437573c086572abe0f3f1b15 ] This patch fixes the following static checker warning: drivers/input/keyboard/st-keyscan.c:156 keyscan_probe() error: potential zalloc NULL dereference: 'keypad_data->input_dev' Reported-by: Dan Carpenter <dan.carpenter@...cle.com> Signed-off-by: Gabriel Fernandez <gabriel.fernandez@...com> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@...il.com> Signed-off-by: Sasha Levin <sashal@...nel.org> --- drivers/input/keyboard/st-keyscan.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/input/keyboard/st-keyscan.c b/drivers/input/keyboard/st-keyscan.c index de7be4f03d91..ebf9f643d910 100644 --- a/drivers/input/keyboard/st-keyscan.c +++ b/drivers/input/keyboard/st-keyscan.c @@ -153,6 +153,8 @@ static int keyscan_probe(struct platform_device *pdev) input_dev->id.bustype = BUS_HOST; + keypad_data->input_dev = input_dev; + error = keypad_matrix_key_parse_dt(keypad_data); if (error) return error; @@ -168,8 +170,6 @@ static int keyscan_probe(struct platform_device *pdev) input_set_drvdata(input_dev, keypad_data); - keypad_data->input_dev = input_dev; - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); keypad_data->base = devm_ioremap_resource(&pdev->dev, res); if (IS_ERR(keypad_data->base)) -- 2.19.1
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