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authorDan Williams <dan.j.williams@intel.com>2012-06-22 10:36:15 +0400
committerJames Bottomley <JBottomley@Parallels.com>2012-07-20 11:58:52 +0400
commit26f2f199ff150d8876b2641c41e60d1c92d2fb81 (patch)
tree00e731f023ef8df4dd7ed80acec4e5d1945a7954 /drivers/scsi
parentb2311a287553af4dffaef224cdd6e3ddf6783312 (diff)
downloadlinux-26f2f199ff150d8876b2641c41e60d1c92d2fb81.tar.xz
[SCSI] libsas: continue revalidation
Continue running revalidation until no more broadcast devices are discovered. Fixes cases where re-discovery completes too early in a domain with multiple expanders with pending re-discovery events. Servicing BCNs can get backed up behind error recovery. Cc: <stable@vger.kernel.org> Signed-off-by: Dan Williams <dan.j.williams@intel.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Diffstat (limited to 'drivers/scsi')
-rw-r--r--drivers/scsi/libsas/sas_expander.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/scsi/libsas/sas_expander.c b/drivers/scsi/libsas/sas_expander.c
index af659cc8308c..63c574227ebf 100644
--- a/drivers/scsi/libsas/sas_expander.c
+++ b/drivers/scsi/libsas/sas_expander.c
@@ -2114,9 +2114,7 @@ int sas_ex_revalidate_domain(struct domain_device *port_dev)
struct domain_device *dev = NULL;
res = sas_find_bcast_dev(port_dev, &dev);
- if (res)
- goto out;
- if (dev) {
+ while (res == 0 && dev) {
struct expander_device *ex = &dev->ex_dev;
int i = 0, phy_id;
@@ -2128,8 +2126,10 @@ int sas_ex_revalidate_domain(struct domain_device *port_dev)
res = sas_rediscover(dev, phy_id);
i = phy_id + 1;
} while (i < ex->num_phys);
+
+ dev = NULL;
+ res = sas_find_bcast_dev(port_dev, &dev);
}
-out:
return res;
}