On Tue, 2012-07-17 at 18:20 -0700, adam radford wrote: > Cc: stable That's not how to add a stable tag, please see Documentation/stable_kernel_rules.txt > James/linux-scsi, > > The following patch from Kashyap Desai for megaraid_sas moves the That's also not how you do someone else's patch ... this needs a From: Kashyap Desai <Kashyap.Desai@xxxxxxx> At the top for git to get the authorship correct. James > poll_aen_lock initializer from megasas_probe_one() to megasas_init(). > This prevents a crash when a user loads the driver and tries to issue > a poll() system call on the ioctl interface with no adapters present. > > Signed-off-by: Kashyap Desai <Kashyap.Desai@xxxxxxx> > Signed-off-by: Adam Radford <aradford@xxxxxxxxx> > > diff -Naur scsi/drivers/scsi/megaraid/megaraid_sas_base.c > scsi.new/drivers/scsi/megaraid/megaraid_sas_base.c > --- scsi/drivers/scsi/megaraid/megaraid_sas_base.c 2012-07-17 > 14:57:32.890231627 -0700 > +++ scsi.new/drivers/scsi/megaraid/megaraid_sas_base.c 2012-07-17 > 14:59:37.285232167 -0700 > @@ -4095,7 +4095,6 @@ > spin_lock_init(&instance->cmd_pool_lock); > spin_lock_init(&instance->hba_lock); > spin_lock_init(&instance->completion_lock); > - spin_lock_init(&poll_aen_lock); > > mutex_init(&instance->aen_mutex); > mutex_init(&instance->reset_mutex); > @@ -5421,6 +5420,8 @@ > printk(KERN_INFO "megasas: %s %s\n", MEGASAS_VERSION, > MEGASAS_EXT_VERSION); > > + spin_lock_init(&poll_aen_lock); > + > support_poll_for_event = 2; > support_device_change = 1; -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html