Hi, On 4/14/21 12:46 PM, Benjamin Berg wrote: > Hi, > > On Wed, 2021-04-14 at 12:29 +0200, Hans de Goede wrote: >> On 4/14/21 11:52 AM, Benjamin Berg wrote: >>> [SNIP] >>> >>> That said, the g-s-d event handler is checking the size of the read >>> against the struct size. This is obviously wrong, it should only >>> check >>> that the read was successful (or check for >= V1 size). >> >> Right this is what I was referring to a g-s-d compiled against the >> new headers with a struct size of 9 will read 8 bytes on an old >> kernel >> and that will fail the len check, so it won't work. >> >> But this will actually never happen as I just noticed that g-s-d >> uses a private rfkill.h copy with the old 8 bytes struct definition. >> >> So with the buffered-io disabled everything should work fine, >> see my other email in this thread. > > OK, so at least that part of the fix should be backported to older > release branches. Ack, that fix should be backported to fix issues with newer kernels and then everything should work fine. Regards, Hans