From: Orson Zhai Date: Tue, 25 Apr 2017 01:16:56 +0000 (+0800) Subject: iio: core: Fix suspicious sizeof usage X-Git-Tag: v4.13-rc1~184^2~262^2~51 X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=1016d56765740e02a613346f22a35c0ae7bccac4;p=karo-tx-linux.git iio: core: Fix suspicious sizeof usage Pointer size is variours in different system, say 32bit for 4 and 64bit for 8. The 'sizeof(infomask)' may lead to wrong bit numbers. Signed-off-by: Orson Zhai Signed-off-by: Jonathan Cameron --- diff --git a/drivers/iio/industrialio-core.c b/drivers/iio/industrialio-core.c index 3ff91e02fee3..795f53c4d75d 100644 --- a/drivers/iio/industrialio-core.c +++ b/drivers/iio/industrialio-core.c @@ -1089,7 +1089,7 @@ static int iio_device_add_info_mask_type(struct iio_dev *indio_dev, { int i, ret, attrcount = 0; - for_each_set_bit(i, infomask, sizeof(infomask)*8) { + for_each_set_bit(i, infomask, sizeof(*infomask)*8) { if (i >= ARRAY_SIZE(iio_chan_info_postfix)) return -EINVAL; ret = __iio_add_chan_devattr(iio_chan_info_postfix[i], @@ -1118,7 +1118,7 @@ static int iio_device_add_info_mask_type_avail(struct iio_dev *indio_dev, int i, ret, attrcount = 0; char *avail_postfix; - for_each_set_bit(i, infomask, sizeof(infomask) * 8) { + for_each_set_bit(i, infomask, sizeof(*infomask) * 8) { avail_postfix = kasprintf(GFP_KERNEL, "%s_available", iio_chan_info_postfix[i]);