On 07/06/2016 09:51 AM, Johannes Thumshirn wrote: > qla2xxx first calls request_irq() and then does the setup of the queue > entry data needed in the interrupt handlers in when using MSI-X. This > could lead to a NULL pointer dereference when an IRQ fires between the > request_irq() call and the assignment of the qentry data structure to the > rsp->msix field. A possible case for such a race would be in the kdump > case when the HBA's IRQs are still enabled but the driver is undergoing > a new initialisation and thus is not aware of already activated IRQs in > the HBA. > > Signed-off-by: Johannes Thumshirn <jthumsh...@suse.de> > --- > drivers/scsi/qla2xxx/qla_isr.c | 8 ++++---- > 1 file changed, 4 insertions(+), 4 deletions(-) > Reviewed-by: Hannes Reinecke <h...@suse.com>
Cheers, Hannes -- Dr. Hannes Reinecke Teamlead Storage & Networking h...@suse.de +49 911 74053 688 SUSE LINUX GmbH, Maxfeldstr. 5, 90409 Nürnberg GF: F. Imendörffer, J. Smithard, J. Guild, D. Upmanyu, G. Norton HRB 21284 (AG Nürnberg)
