On Sun, Feb 01, 2015 at 02:08:50AM +0100, Niklas Cassel wrote: > Calling mtd_device_parse_register with the same mtd_info > (e.g. registering several partitions on a single device) > would add the same reboot notifier twice, causing an > infinte loop in notifier_chain_register during boot up. > > Signed-off-by: Niklas Cassel <n...@flawful.org>
Begrudgingly applied to l2-mtd.git. It's better to fix this bug than for me just to complain about badly written board files and drivers... > --- > drivers/mtd/mtdcore.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/mtd/mtdcore.c b/drivers/mtd/mtdcore.c > index de79576..98efc1e 100644 > --- a/drivers/mtd/mtdcore.c > +++ b/drivers/mtd/mtdcore.c > @@ -556,7 +556,7 @@ int mtd_device_parse_register(struct mtd_info *mtd, const > char * const *types, > err = -ENODEV; > } > Also added a FIXME comment here to note that some drivers are doing odd things to require this workaround. > - if (mtd->_reboot) { > + if (mtd->_reboot && !mtd->reboot_notifier.notifier_call) { > mtd->reboot_notifier.notifier_call = mtd_reboot_notifier; > register_reboot_notifier(&mtd->reboot_notifier); > } Brian -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/