iio: accel: sca3000: memory corruption in sca3000_read_first_n_hw_rb()
"num_read" is in byte units but we are write u16s so we end up write twice as much as intended. Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Cc: <Stable@vger.kernel.org> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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@ -116,7 +116,7 @@ static int sca3000_read_first_n_hw_rb(struct iio_buffer *r,
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if (ret)
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if (ret)
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goto error_ret;
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goto error_ret;
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for (i = 0; i < num_read; i++)
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for (i = 0; i < num_read / sizeof(u16); i++)
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*(((u16 *)rx) + i) = be16_to_cpup((__be16 *)rx + i);
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*(((u16 *)rx) + i) = be16_to_cpup((__be16 *)rx + i);
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if (copy_to_user(buf, rx, num_read))
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if (copy_to_user(buf, rx, num_read))
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