[U-Boot] [PATCH 2/3] nvme: Fix potential sign extension issue in nvme_blk_rw()

[Tom Rini]

On Sat, Sep 02, 2017 at 08:15:36AM -0700, Bin Meng wrote:

> "lbas" with type "u16" (16 bits, unsigned) is promoted in
> "lbas << ns->lba_shift" to type "int" (32 bits, signed), then
> sign-extended to type "unsigned long long" (64 bits, unsigned).
> If "lbas << ns->lba_shift" is greater than 0x7FFFFFFF, the upper
> bits of the result will all be 1.
> 
> Fix it by casting "lbas" to "u32".
> 
> Reported-by: Coverity (CID: 166730)
> Signed-off-by: Bin Meng <bmeng.cn at gmail.com>

Reviewed-by: Tom Rini <trini at konsulko.com>

-- 
Tom
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