[PATCH 35/60] staging: lustre: lov: ld_target could be NULL

[James Simmons]

From: Bobi Jam 

lov_device::ld_target[ost_idx] could be NULL if the OST target is
not filled in lov_device::ld_lov::lov_tgt_desc[ost_idx] yet.

Signed-off-by: Bobi Jam 
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-8018
Reviewed-on: http://review.whamcloud.com/21411
Reviewed-by: Jinshan Xiong 
Reviewed-by: John L. Hammond 
Reviewed-by: Oleg Drokin 
Signed-off-by: James Simmons 
---
 drivers/staging/lustre/lustre/lov/lov_object.c | 7 +++
 1 file changed, 7 insertions(+)

diff --git a/drivers/staging/lustre/lustre/lov/lov_object.c 
b/drivers/staging/lustre/lustre/lov/lov_object.c
index 9c4b5ab..977579c 100644
--- a/drivers/staging/lustre/lustre/lov/lov_object.c
+++ b/drivers/staging/lustre/lustre/lov/lov_object.c
@@ -266,6 +266,13 @@ static int lov_init_raid0(const struct lu_env *env, struct 
lov_device *dev,
if (result != 0)
goto out;
 
+   if (!dev->ld_target[ost_idx]) {
+   CERROR("%s: OST %04x is not initialized\n",
+   lov2obd(dev->ld_lov)->obd_name, ost_idx);
+   result = -EIO;
+   goto out;
+   }
+
subdev = lovsub2cl_dev(dev->ld_target[ost_idx]);
subconf->u.coc_oinfo = oinfo;
LASSERTF(subdev, "not init ost %d\n", ost_idx);
-- 
1.8.3.1

[PATCH 35/60] staging: lustre: lov: ld_target could be NULL

[James Simmons]

From: Bobi Jam 

lov_device::ld_target[ost_idx] could be NULL if the OST target is
not filled in lov_device::ld_lov::lov_tgt_desc[ost_idx] yet.

Signed-off-by: Bobi Jam 
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-8018
Reviewed-on: http://review.whamcloud.com/21411
Reviewed-by: Jinshan Xiong 
Reviewed-by: John L. Hammond 
Reviewed-by: Oleg Drokin 
Signed-off-by: James Simmons 
---
 drivers/staging/lustre/lustre/lov/lov_object.c | 7 +++
 1 file changed, 7 insertions(+)

diff --git a/drivers/staging/lustre/lustre/lov/lov_object.c 
b/drivers/staging/lustre/lustre/lov/lov_object.c
index 9c4b5ab..977579c 100644
--- a/drivers/staging/lustre/lustre/lov/lov_object.c
+++ b/drivers/staging/lustre/lustre/lov/lov_object.c
@@ -266,6 +266,13 @@ static int lov_init_raid0(const struct lu_env *env, struct 
lov_device *dev,
if (result != 0)
goto out;
 
+   if (!dev->ld_target[ost_idx]) {
+   CERROR("%s: OST %04x is not initialized\n",
+   lov2obd(dev->ld_lov)->obd_name, ost_idx);
+   result = -EIO;
+   goto out;
+   }
+
subdev = lovsub2cl_dev(dev->ld_target[ost_idx]);
subconf->u.coc_oinfo = oinfo;
LASSERTF(subdev, "not init ost %d\n", ost_idx);
-- 
1.8.3.1