[U-Boot] part: check each variable for capability calculation

[Tom Rini]

On Tue, Nov 06, 2012 at 03:33:12PM -0000, Jerry Huang wrote:

> From: Jerry Huang <Chang-Ming.Huang at freescale.com>
> 
> In order to calculate the capability, we use the below expression to check:
> ((dev_desc->lba * dev_desc->blksz)>0L)
> If the capability is greater than 4GB (e.g. 8GB = 8 * 1024 * 104 * 1024),
> the result will overflow, the low 32bit may be zero.
> 
> Therefore, change to check each variable to fix this potential issue.
> 
> Signed-off-by: Jerry Huang <Chang-Ming.Huang at freescale.com>

Applied to u-boot/master, thanks!

-- 
Tom
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