Use the struct_size macro to calculate the size of the pkt, which includes a trailing flexible array. Suggested-by: Nathan Chancellor <nathan@xxxxxxxxxx> Signed-off-by: Javier Carrasco <javier.carrasco.cruz@xxxxxxxxx> --- drivers/usb/serial/garmin_gps.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/usb/serial/garmin_gps.c b/drivers/usb/serial/garmin_gps.c index 57df6ad183ff..6d6ec7eed87c 100644 --- a/drivers/usb/serial/garmin_gps.c +++ b/drivers/usb/serial/garmin_gps.c @@ -267,8 +267,7 @@ static int pkt_add(struct garmin_data *garmin_data_p, /* process only packets containing data ... */ if (data_length) { - pkt = kmalloc(sizeof(struct garmin_packet)+data_length, - GFP_ATOMIC); + pkt = kmalloc(struct_size(pkt, data, data_length), GFP_ATOMIC); if (!pkt) return 0; -- 2.40.1