diff options
| author | Laura Abbott <labbott@redhat.com> | 2018-03-10 03:10:20 +0300 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2018-03-27 16:18:19 +0300 |
| commit | 13b5319e92a94036ce2131f76510e108428daec8 (patch) | |
| tree | 0485e859e398b8bcb2cf5b91f77ae5a2b4ab5f8f /drivers/gpio | |
| parent | 48da181dac478bb517aae2483e69f3eeec24172c (diff) | |
| download | linux-13b5319e92a94036ce2131f76510e108428daec8.tar.xz | |
gpio: Remove VLA from xra1403 driver
The new challenge is to remove VLAs from the kernel
(see https://lkml.org/lkml/2018/3/7/621)
This patch replaces a VLA with an appropriate call to kmalloc_array.
Signed-off-by: Laura Abbott <labbott@redhat.com>
Reviewed-by: Nandor Han <nandor.han@ge.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/gpio')
| -rw-r--r-- | drivers/gpio/gpio-xra1403.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/gpio/gpio-xra1403.c b/drivers/gpio/gpio-xra1403.c index 0230e4b7a2fb..8d4c8e99b251 100644 --- a/drivers/gpio/gpio-xra1403.c +++ b/drivers/gpio/gpio-xra1403.c @@ -126,11 +126,16 @@ static void xra1403_dbg_show(struct seq_file *s, struct gpio_chip *chip) { int reg; struct xra1403 *xra = gpiochip_get_data(chip); - int value[xra1403_regmap_cfg.max_register]; + int *value; int i; unsigned int gcr; unsigned int gsr; + value = kmalloc_array(xra1403_regmap_cfg.max_register, sizeof(*value), + GFP_KERNEL); + if (!value) + return; + seq_puts(s, "xra reg:"); for (reg = 0; reg <= xra1403_regmap_cfg.max_register; reg++) seq_printf(s, " %2.2x", reg); @@ -154,6 +159,7 @@ static void xra1403_dbg_show(struct seq_file *s, struct gpio_chip *chip) (gcr & BIT(i)) ? "in" : "out", (gsr & BIT(i)) ? "hi" : "lo"); } + kfree(value); } #else #define xra1403_dbg_show NULL |