scsi: mpt3sas: change allocation option

From an interrupt handler path memory may be allocated using
GFP_KERNEL, replace it with GFP_ATOMIC.
_base_interrupt->_scsih_io_done->_scsih_smart_predicted_fault

Link: https://lore.kernel.org/r/20191024152835.6177-1-thenzl@redhat.com
Signed-off-by: Tomas Henzl <thenzl@redhat.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

diff --git a/drivers/scsi/mpt3sas/mpt3sas_scsih.c b/drivers/scsi/mpt3sas/mpt3sas_scsih.c
index 3f0797e6f9412002851675a05dbdd7d4688ca593..a038be8a0e905fade0f5cb4314a9ad35a04cb7cb 100644 (file)
--- a/drivers/scsi/mpt3sas/mpt3sas_scsih.c
+++ b/drivers/scsi/mpt3sas/mpt3sas_scsih.c
@@ -5161,7 +5161,7 @@ _scsih_smart_predicted_fault(struct MPT3SAS_ADAPTER *ioc, u16 handle)
        /* insert into event log */
        sz = offsetof(Mpi2EventNotificationReply_t, EventData) +
             sizeof(Mpi2EventDataSasDeviceStatusChange_t);
-       event_reply = kzalloc(sz, GFP_KERNEL);
+       event_reply = kzalloc(sz, GFP_ATOMIC);
        if (!event_reply) {
                ioc_err(ioc, "failure at %s:%d/%s()!\n",
                        __FILE__, __LINE__, __func__);