Messages in this thread | | | From | Ming Lei <> | Date | Thu, 8 Sep 2016 23:49:13 +0800 | Subject | Re: [PATCH v4 2/4] firmware: encapsulate firmware loading status |
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On Thu, Sep 8, 2016 at 8:26 PM, Daniel Wagner <wagi@monom.org> wrote: > Hi Ming, > > On 09/08/2016 01:26 PM, Ming Lei wrote: >> >> On Wed, Sep 7, 2016 at 4:45 PM, Daniel Wagner <wagi@monom.org> wrote: >>> >>> From: Daniel Wagner <daniel.wagner@bmw-carit.de> >>> +static int fw_status_wait_timeout(struct fw_status *fw_st, long timeout) >>> +{ >>> + int ret; >>> + >>> + ret = >>> wait_for_completion_interruptible_timeout(&fw_st->completion, >>> + timeout); >>> + if (ret == 0 && test_bit(FW_STATUS_ABORTED, &fw_st->status)) >>> + return -ENOENT; >> >> >> I guess the check should have been OR instead of AND, right? > > > > Good catch. It should be > > if (ret != 0 && test_bit(...)) > return -ENOENT;
Another question, why do you want to return -ENOENT when userspace aborts the load? And looks it will always be override as -EAGAIN.
> > in case where we abort the operation instead of timing out. > > cheers, > daniel
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