On Mon, Mar 26, 2018 at 10:06:37PM +0000, Hefty, Sean wrote:
> > Drivers are supposed to return errno, I'm sure lots and lots of them
> > have paths where they fail to do this.
>
> The code could check for errno, and assume if set that it's set to the correct error number.
>
> if (!qp) {
> ret = errno ? ERR(errno) : ENOMEM;
>
> or wrap the errno check/return in a macro
And zero errno befor calling the driver.
We'd have to put that sort of guard in all the verbs calls that return
a pointer, I think.
Jason
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