On Fri, Jun 28, 2019 at 6:05 PM Martin Blumenstingl <martin.blumensti...@googlemail.com> wrote: > > Hi Colin, > > On Fri, Jun 28, 2019 at 10:32 AM Colin Ian King > <colin.k...@canonical.com> wrote: > > > > On 28/06/2019 05:15, Martin Blumenstingl wrote: > > > On Tue, Jun 25, 2019 at 9:58 AM Colin Ian King <colin.k...@canonical.com> > > > wrote: > > >> > > >> On 25/06/2019 05:44, Martin Blumenstingl wrote: > > >>> Hi Colin, > > >>> > > >>> On Thu, Jun 20, 2019 at 3:34 AM Martin Blumenstingl > > >>> <martin.blumensti...@googlemail.com> wrote: > > >>>> > > >>>> Hi Colin, > > >>>> > > >>>> On Wed, Jun 19, 2019 at 8:55 AM Colin Ian King > > >>>> <colin.k...@canonical.com> wrote: > > >>>>> > > >>>>> On 19/06/2019 06:13, Martin Blumenstingl wrote: > > >>>>>> Hi Colin, > > >>>>>> > > >>>>>>> Currently the call to device_property_read_u32_array is not error > > >>>>>>> checked > > >>>>>>> leading to potential garbage values in the delays array that are > > >>>>>>> then used > > >>>>>>> in msleep delays. Add a sanity check to the property fetching. > > >>>>>>> > > >>>>>>> Addresses-Coverity: ("Uninitialized scalar variable") > > >>>>>>> Signed-off-by: Colin Ian King <colin.k...@canonical.com> > > >>>>>> I have also sent a patch [0] to fix initialize the array. > > >>>>>> can you please look at my patch so we can work out which one to use? > > >>>>>> > > >>>>>> my concern is that the "snps,reset-delays-us" property is optional, > > >>>>>> the current dt-bindings documentation states that it's a required > > >>>>>> property. in reality it isn't, there are boards (two examples are > > >>>>>> mentioned in my patch: [0]) without it. > > >>>>>> > > >>>>>> so I believe that the resulting behavior has to be: > > >>>>>> 1. don't delay if this property is missing (instead of delaying for > > >>>>>> <garbage value> ms) > > >>>>>> 2. don't error out if this property is missing > > >>>>>> > > >>>>>> your patch covers #1, can you please check whether #2 is also > > >>>>>> covered? > > >>>>>> I tested case #2 when submitting my patch and it worked fine (even > > >>>>>> though I could not reproduce the garbage values which are being read > > >>>>>> on some boards) > > >>> in the meantime I have tested your patch. > > >>> when I don't set the "snps,reset-delays-us" property then I get the > > >>> following error: > > >>> invalid property snps,reset-delays-us > > >>> > > >>> my patch has landed in the meantime: [0] > > >>> how should we proceed with your patch? > > > > Your fix is good, so I think we should just drop/forget about my fix. > thank you for looking at the situation > > as far I understand the -net/-net-next tree all commits are immutable > so if we want to remove your patch we need to send a revert > do you want me to do that (I can do it on Monday) or will you take care of > that? I just sent the patch: [0]
[0] https://patchwork.ozlabs.org/patch/1125686/