diff options
-rw-r--r-- | drivers/clk/bcm/clk-raspberrypi.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/clk/bcm/clk-raspberrypi.c b/drivers/clk/bcm/clk-raspberrypi.c index 39d63c983d62..e495f5f382ab 100644 --- a/drivers/clk/bcm/clk-raspberrypi.c +++ b/drivers/clk/bcm/clk-raspberrypi.c @@ -344,8 +344,13 @@ static int raspberrypi_discover_clocks(struct raspberrypi_clk *rpi, struct rpi_firmware_get_clocks_response *clks; int ret; + /* + * The firmware doesn't guarantee that the last element of + * RPI_FIRMWARE_GET_CLOCKS is zeroed. So allocate an additional + * zero element as sentinel. + */ clks = devm_kcalloc(rpi->dev, - RPI_FIRMWARE_NUM_CLK_ID, sizeof(*clks), + RPI_FIRMWARE_NUM_CLK_ID + 1, sizeof(*clks), GFP_KERNEL); if (!clks) return -ENOMEM; |