From: Hans de Goede hdegoede@redhat.com
commit 0b3ea2a06de1f52ea30865e227e109a5fd3b6214 upstream.
gpiod_add_lookup_table() expects the gpiod_lookup_table->table passed to it to be terminated with a zero-ed out entry.
So we need to allocate one more entry then we will use.
Fixes: d308dfbf62ef ("i2c: mux/i801: Switch to use descriptor passing") Signed-off-by: Hans de Goede hdegoede@redhat.com Reviewed-by: Mika Westerberg mika.westerberg@linux.intel.com Acked-by: Jean Delvare jdelvare@suse.de Reviewed-by: Linus Walleij linus.walleij@linaro.org Signed-off-by: Wolfram Sang wsa@kernel.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
--- drivers/i2c/busses/i2c-i801.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/i2c/busses/i2c-i801.c +++ b/drivers/i2c/busses/i2c-i801.c @@ -1449,7 +1449,7 @@ static int i801_add_mux(struct i801_priv
/* Register GPIO descriptor lookup table */ lookup = devm_kzalloc(dev, - struct_size(lookup, table, mux_config->n_gpios), + struct_size(lookup, table, mux_config->n_gpios + 1), GFP_KERNEL); if (!lookup) return -ENOMEM;