Commit 2439d37e authored by Gabriel Fernandez's avatar Gabriel Fernandez Committed by Dmitry Torokhov

Input: st-keyscan - fix potential zalloc NULL dereference

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: default avatarDan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: default avatarGabriel Fernandez <gabriel.fernandez@st.com>
Signed-off-by: default avatarDmitry Torokhov <dmitry.torokhov@gmail.com>
parent 1cd48dc5
...@@ -153,6 +153,8 @@ static int keyscan_probe(struct platform_device *pdev) ...@@ -153,6 +153,8 @@ static int keyscan_probe(struct platform_device *pdev)
input_dev->id.bustype = BUS_HOST; input_dev->id.bustype = BUS_HOST;
keypad_data->input_dev = input_dev;
error = keypad_matrix_key_parse_dt(keypad_data); error = keypad_matrix_key_parse_dt(keypad_data);
if (error) if (error)
return error; return error;
...@@ -168,8 +170,6 @@ static int keyscan_probe(struct platform_device *pdev) ...@@ -168,8 +170,6 @@ static int keyscan_probe(struct platform_device *pdev)
input_set_drvdata(input_dev, keypad_data); input_set_drvdata(input_dev, keypad_data);
keypad_data->input_dev = input_dev;
res = platform_get_resource(pdev, IORESOURCE_MEM, 0); res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
keypad_data->base = devm_ioremap_resource(&pdev->dev, res); keypad_data->base = devm_ioremap_resource(&pdev->dev, res);
if (IS_ERR(keypad_data->base)) if (IS_ERR(keypad_data->base))
......
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