[PATCH] mtd: spi-nor: Check the return value from read_sr()

[Fabio Estevam]

On Thu, Nov 19, 2015 at 7:54 PM, Brian Norris
<computersforpeace at gmail.com> wrote:

> Hmm, by changing status_old from u8 to int, do we propagate any
> sign-extension issues in this function? What if BIT(7) is set? If I

If the value returned by read_sr() has BIT(7) set then it is not an
error, right?

read_sr() can return negative on error and u8 on success.

Not sure I understand your concern.