releases/4.4.9/extcon-max77843-use-correct-size-for-reading-the-interrupt-register.patch

   1 From c4924e92442d7218bd725e47fa3988c73aae84c9 Mon Sep 17 00:00:00 2001
   2 From: Dan Carpenter <dan.carpenter@oracle.com>
   3 Date: Thu, 4 Feb 2016 14:36:09 +0300
   4 Subject: extcon: max77843: Use correct size for reading the interrupt register
   5
   6 From: Dan Carpenter <dan.carpenter@oracle.com>
   7
   8 commit c4924e92442d7218bd725e47fa3988c73aae84c9 upstream.
   9
  10 The info->status[] array has 3 elements.  We are using size
  11 MAX77843_MUIC_IRQ_NUM (16) instead of MAX77843_MUIC_STATUS_NUM (3) as
  12 intended.
  13
  14 Fixes: 135d9f7d135a ('extcon: max77843: Clear IRQ bits state before request IRQ')
  15 Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
  16 Reviewed-by: Jaewon Kim <jaewon02.kim@samsung.com>
  17 Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
  18 [cw00.choi: Modify the patch title]
  19 Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
  20 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
  21
  22 ---
  23  drivers/extcon/extcon-max77843.c |    2 +-
  24  1 file changed, 1 insertion(+), 1 deletion(-)
  25
  26 --- a/drivers/extcon/extcon-max77843.c
  27 +++ b/drivers/extcon/extcon-max77843.c
  28 @@ -803,7 +803,7 @@ static int max77843_muic_probe(struct pl
  29         /* Clear IRQ bits before request IRQs */
  30         ret = regmap_bulk_read(max77843->regmap_muic,
  31                         MAX77843_MUIC_REG_INT1, info->status,
  32 -                       MAX77843_MUIC_IRQ_NUM);
  33 +                       MAX77843_MUIC_STATUS_NUM);
  34         if (ret) {
  35                 dev_err(&pdev->dev, "Failed to Clear IRQ bits\n");
  36                 goto err_muic_irq;