Commit e460617e authored Aug 24, 2017 by Phil Reid Committed by Wolfram Sang Oct 28, 2017

i2c: mux: pca954x: Return error if irq_create_mapping fails



irq_create_mapping can return an error, report error to log and return.
Cleanup will occur in the probe function when an error is returned.

Suggested-by: Peter Rosin <peda@axentia.se>
Acked-by: Peter Rosin <peda@axentia.se>
Signed-off-by: Phil Reid <preid@electromag.com.au>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>

parent 148baf1d

drivers/i2c/muxes/i2c-mux-pca954x.c

+4 −0

Original line number	Diff line number	Diff line
		@@ -277,6 +277,10 @@ static int pca954x_irq_setup(struct i2c_mux_core *muxc)

		for (c = 0; c < data->chip->nchans; c++) {
		irq = irq_create_mapping(data->irq, c);
		if (!irq) {
		dev_err(&client->dev, "failed irq create map\n");
		return -EINVAL;
		}
		irq_set_chip_data(irq, data);
		irq_set_chip_and_handler(irq, &pca954x_irq_chip,
		handle_simple_irq);