From 13b5319e92a94036ce2131f76510e108428daec8 Mon Sep 17 00:00:00 2001 From: Laura Abbott Date: Fri, 9 Mar 2018 16:10:20 -0800 Subject: [PATCH] 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 Reviewed-by: Nandor Han Signed-off-by: Linus Walleij --- drivers/gpio/gpio-xra1403.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) 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