Messages in this thread | | | Date | Thu, 12 Jan 2023 13:52:28 +0100 | From | Greg Kroah-Hartman <> | Subject | Re: [PATCH stable-4.14] driver core: Fix bus_type.match() error handling in __driver_attach() |
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On Mon, Jan 09, 2023 at 06:15:36PM -0800, Isaac J. Manjarres wrote: > commit 27c0d217340e47ec995557f61423ef415afba987 upstream. > > When a driver registers with a bus, it will attempt to match with every > device on the bus through the __driver_attach() function. Currently, if > the bus_type.match() function encounters an error that is not > -EPROBE_DEFER, __driver_attach() will return a negative error code, which > causes the driver registration logic to stop trying to match with the > remaining devices on the bus. > > This behavior is not correct; a failure while matching a driver to a > device does not mean that the driver won't be able to match and bind > with other devices on the bus. Update the logic in __driver_attach() > to reflect this. > > Fixes: 656b8035b0ee ("ARM: 8524/1: driver cohandle -EPROBE_DEFER from bus_type.match()") > Cc: stable@vger.kernel.org > Cc: Saravana Kannan <saravanak@google.com> > Signed-off-by: Isaac J. Manjarres <isaacmanjarres@google.com> > --- > drivers/base/dd.c | 8 ++++++-- > 1 file changed, 6 insertions(+), 2 deletions(-)
All now queued up, thanks.
greg k-h
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