aacraid: do not activate events on non-SRC adapters
authorHannes Reinecke <hare@suse.de>
Wed, 18 May 2016 08:16:51 +0000 (10:16 +0200)
committerMartin K. Petersen <martin.petersen@oracle.com>
Sun, 22 May 2016 18:53:07 +0000 (14:53 -0400)
Only SRC-based adapters support the AifReqEvent function, so there is no
point in trying to activate it on older, non-SRC based adapters.  Doing
so lead to crashes on older adapters.

Signed-off-by: Hannes Reinecke <hare@suse.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.com>
Reviewed-by: Raghava Aditya Renukunta <RaghavaAaditya.Renukunta@microsemi.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
drivers/scsi/aacraid/aacraid.h
drivers/scsi/aacraid/linit.c

index 8f90d9e..969c312 100644 (file)
@@ -620,6 +620,11 @@ struct aac_driver_ident
  */
 #define AAC_QUIRK_SCSI_32      0x0020
 
+/*
+ * SRC based adapters support the AifReqEvent functions
+ */
+#define AAC_QUIRK_SRC 0x0040
+
 /*
  *     The adapter interface specs all queues to be located in the same
  *     physically contiguous block. The host structure that defines the
index a943bd2..79871f3 100644 (file)
@@ -236,10 +236,10 @@ static struct aac_driver_ident aac_drivers[] = {
        { aac_rx_init, "aacraid",  "ADAPTEC ", "RAID            ", 2 }, /* Adaptec Catch All */
        { aac_rkt_init, "aacraid", "ADAPTEC ", "RAID            ", 2 }, /* Adaptec Rocket Catch All */
        { aac_nark_init, "aacraid", "ADAPTEC ", "RAID           ", 2 }, /* Adaptec NEMER/ARK Catch All */
-       { aac_src_init, "aacraid", "ADAPTEC ", "RAID            ", 2 }, /* Adaptec PMC Series 6 (Tupelo) */
-       { aac_srcv_init, "aacraid", "ADAPTEC ", "RAID            ", 2 }, /* Adaptec PMC Series 7 (Denali) */
-       { aac_srcv_init, "aacraid", "ADAPTEC ", "RAID            ", 2 }, /* Adaptec PMC Series 8 */
-       { aac_srcv_init, "aacraid", "ADAPTEC ", "RAID            ", 2 } /* Adaptec PMC Series 9 */
+       { aac_src_init, "aacraid", "ADAPTEC ", "RAID            ", 2, AAC_QUIRK_SRC }, /* Adaptec PMC Series 6 (Tupelo) */
+       { aac_srcv_init, "aacraid", "ADAPTEC ", "RAID            ", 2, AAC_QUIRK_SRC }, /* Adaptec PMC Series 7 (Denali) */
+       { aac_srcv_init, "aacraid", "ADAPTEC ", "RAID            ", 2, AAC_QUIRK_SRC }, /* Adaptec PMC Series 8 */
+       { aac_srcv_init, "aacraid", "ADAPTEC ", "RAID            ", 2, AAC_QUIRK_SRC } /* Adaptec PMC Series 9 */
 };
 
 /**
@@ -1299,7 +1299,8 @@ static int aac_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
        else
                shost->this_id = shost->max_id;
 
-       aac_intr_normal(aac, 0, 2, 0, NULL);
+       if (aac_drivers[index].quirks & AAC_QUIRK_SRC)
+               aac_intr_normal(aac, 0, 2, 0, NULL);
 
        /*
         * dmb - we may need to move the setting of these parms somewhere else once