Messages in this thread Patch in this message | | | From | Stefan Wahren <> | Subject | [PATCH] clk: bcm: rpi: Fix error handling of raspberrypi_fw_get_rate | Date | Sat, 25 Jun 2022 10:36:43 +0200 |
| |
The function raspberrypi_fw_get_rate (e.g. used for the recalc_rate hook) can fail to get the clock rate from the firmware. In this case we cannot return a signed error value, which would be casted to unsigned long. Fix this by returning 0 instead.
Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com> --- drivers/clk/bcm/clk-raspberrypi.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/clk/bcm/clk-raspberrypi.c b/drivers/clk/bcm/clk-raspberrypi.c index 73518009a0f2..39d63c983d62 100644 --- a/drivers/clk/bcm/clk-raspberrypi.c +++ b/drivers/clk/bcm/clk-raspberrypi.c @@ -203,7 +203,7 @@ static unsigned long raspberrypi_fw_get_rate(struct clk_hw *hw, ret = raspberrypi_clock_property(rpi->firmware, data, RPI_FIRMWARE_GET_CLOCK_RATE, &val); if (ret) - return ret; + return 0; return val; } -- 2.25.1
| |