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Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/bcopeland...
[cascardo/linux.git]
/
drivers
/
scsi
/
libsas
/
sas_expander.c
diff --git
a/drivers/scsi/libsas/sas_expander.c
b/drivers/scsi/libsas/sas_expander.c
index
505ffe3
..
f3f693b
100644
(file)
--- a/
drivers/scsi/libsas/sas_expander.c
+++ b/
drivers/scsi/libsas/sas_expander.c
@@
-244,6
+244,11
@@
static int sas_ex_phy_discover_helper(struct domain_device *dev, u8 *disc_req,
* dev to host FIS as described in section G.5 of
* sas-2 r 04b */
dr = &((struct smp_resp *)disc_resp)->disc;
* dev to host FIS as described in section G.5 of
* sas-2 r 04b */
dr = &((struct smp_resp *)disc_resp)->disc;
+ if (memcmp(dev->sas_addr, dr->attached_sas_addr,
+ SAS_ADDR_SIZE) == 0) {
+ sas_printk("Found loopback topology, just ignore it!\n");
+ return 0;
+ }
if (!(dr->attached_dev_type == 0 &&
dr->attached_sata_dev))
break;
if (!(dr->attached_dev_type == 0 &&
dr->attached_sata_dev))
break;