Messages in this thread Patch in this message | | | From | <> | Subject | [PATCH] Input: st-keyscan - fix potential zalloc NULL dereference | Date | Tue, 12 Feb 2019 16:24:29 +0100 |
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From: Gabriel Fernandez <gabriel.fernandez@st.com>
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@oracle.com> Signed-off-by: Gabriel Fernandez <gabriel.fernandez@st.com> --- 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 babcfb165e4f..3b85631fde91 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)) -- 2.17.0
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