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| author | Dan Williams <dan.j.williams@intel.com> | 2012-06-21 23:36:15 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-08-09 08:27:34 -0700 |
| commit | 2da74cd8a6bad64d02207396c76d0939f3c57aaa (patch) | |
| tree | 2885d537876676708670bbc58268f6016239636b | |
| parent | c43386c06d5d73a9b3a8604226b1e32d85a4c384 (diff) | |
| download | kernel_samsung_tuna-2da74cd8a6bad64d02207396c76d0939f3c57aaa.zip kernel_samsung_tuna-2da74cd8a6bad64d02207396c76d0939f3c57aaa.tar.gz kernel_samsung_tuna-2da74cd8a6bad64d02207396c76d0939f3c57aaa.tar.bz2 | |
SCSI: libsas: continue revalidation
commit 26f2f199ff150d8876b2641c41e60d1c92d2fb81 upstream.
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.
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/scsi/libsas/sas_expander.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/scsi/libsas/sas_expander.c b/drivers/scsi/libsas/sas_expander.c index e68fac6..e8ebe68 100644 --- a/drivers/scsi/libsas/sas_expander.c +++ b/drivers/scsi/libsas/sas_expander.c @@ -1972,9 +1972,7 @@ 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; @@ -1986,8 +1984,10 @@ 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; } |