In preparation to enabling -Wvla, remove VLA and replace it
with a fixed-length array instead.

Fixed as part of the directive to remove all VLAs from
the kernel: https://lkml.org/lkml/2018/3/7/621

Signed-off-by: Gustavo A. R. Silva <garsi...@embeddedor.com>
---
 drivers/input/keyboard/stmpe-keypad.c | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/drivers/input/keyboard/stmpe-keypad.c 
b/drivers/input/keyboard/stmpe-keypad.c
index 8c6c0b9..cfa1dbe 100644
--- a/drivers/input/keyboard/stmpe-keypad.c
+++ b/drivers/input/keyboard/stmpe-keypad.c
@@ -48,6 +48,8 @@
 #define STMPE_KEYPAD_KEYMAP_MAX_SIZE \
        (STMPE_KEYPAD_MAX_ROWS * STMPE_KEYPAD_MAX_COLS)
 
+#define MAX_NUM_DATA                   5
+
 /**
  * struct stmpe_keypad_variant - model-specific attributes
  * @auto_increment: whether the KPC_DATA_BYTE register address
@@ -74,7 +76,7 @@ struct stmpe_keypad_variant {
 static const struct stmpe_keypad_variant stmpe_keypad_variants[] = {
        [STMPE1601] = {
                .auto_increment         = true,
-               .num_data               = 5,
+               .num_data               = MAX_NUM_DATA,
                .num_normal_data        = 3,
                .max_cols               = 8,
                .max_rows               = 8,
@@ -84,7 +86,7 @@ static const struct stmpe_keypad_variant 
stmpe_keypad_variants[] = {
        [STMPE2401] = {
                .auto_increment         = false,
                .set_pullup             = true,
-               .num_data               = 3,
+               .num_data               = MAX_NUM_DATA - 2,
                .num_normal_data        = 2,
                .max_cols               = 8,
                .max_rows               = 12,
@@ -94,7 +96,7 @@ static const struct stmpe_keypad_variant 
stmpe_keypad_variants[] = {
        [STMPE2403] = {
                .auto_increment         = true,
                .set_pullup             = true,
-               .num_data               = 5,
+               .num_data               = MAX_NUM_DATA,
                .num_normal_data        = 3,
                .max_cols               = 8,
                .max_rows               = 12,
@@ -156,7 +158,7 @@ static irqreturn_t stmpe_keypad_irq(int irq, void *dev)
        struct stmpe_keypad *keypad = dev;
        struct input_dev *input = keypad->input;
        const struct stmpe_keypad_variant *variant = keypad->variant;
-       u8 fifo[variant->num_data];
+       u8 fifo[MAX_NUM_DATA];
        int ret;
        int i;
 
-- 
2.7.4

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