diff options
| author | Srinivas Neeli <srinivas.neeli@xilinx.com> | 2022-07-21 10:39:09 +0300 |
|---|---|---|
| committer | Bartosz Golaszewski <brgl@bgdev.pl> | 2022-07-22 10:17:03 +0300 |
| commit | 32c094a09d5829ad9b02cdf667569aefa8de0ea6 (patch) | |
| tree | 63f4afcc754bfbdfaddc64231d2d678526fd0bb7 /drivers/gpio/gpio-xilinx.c | |
| parent | f63731e18e8d8350e05b0176e39a76639f6483c7 (diff) | |
| download | linux-32c094a09d5829ad9b02cdf667569aefa8de0ea6.tar.xz | |
gpio: gpio-xilinx: Fix integer overflow
Current implementation is not able to configure more than 32 pins
due to incorrect data type. So type casting with unsigned long
to avoid it.
Fixes: 02b3f84d9080 ("xilinx: Switch to use bitmap APIs")
Signed-off-by: Srinivas Neeli <srinivas.neeli@xilinx.com>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
Diffstat (limited to 'drivers/gpio/gpio-xilinx.c')
| -rw-r--r-- | drivers/gpio/gpio-xilinx.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpio/gpio-xilinx.c b/drivers/gpio/gpio-xilinx.c index b6d3a57e27ed..7f8e2fed2988 100644 --- a/drivers/gpio/gpio-xilinx.c +++ b/drivers/gpio/gpio-xilinx.c @@ -99,7 +99,7 @@ static inline void xgpio_set_value32(unsigned long *map, int bit, u32 v) const unsigned long offset = (bit % BITS_PER_LONG) & BIT(5); map[index] &= ~(0xFFFFFFFFul << offset); - map[index] |= v << offset; + map[index] |= (unsigned long)v << offset; } static inline int xgpio_regoffset(struct xgpio_instance *chip, int ch) |