(Online Capacity Expansion for IMSM)
When disk expansion starts, device structure cannot be received from super due to configuration changes.
To avoid this proper pointer check is introduced.
Signed-off-by: Adam Kwolek <adam.kwolek@xxxxxxxxx>
---
super-intel.c | 7 ++++++-
1 files changed, 6 insertions(+), 1 deletions(-)
diff --git a/super-intel.c b/super-intel.c index ab26c98..b4a1f14 100644
--- a/super-intel.c
+++ b/super-intel.c
@@ -1438,10 +1438,15 @@ static void getinfo_super_imsm_volume(struct supertype *st, struct mdinfo *info) {
struct intel_super *super = st->sb;
struct imsm_dev *dev = get_imsm_dev(super, super->current_vol);
- struct imsm_map *map = get_imsm_map(dev, 0);
+ struct imsm_map *map;
struct dl *dl;
char *devname;
+ if (dev == NULL)
+ return;
+
+ map = get_imsm_map(dev, 0);
+
for (dl = super->disks; dl; dl = dl->next)
if (dl->raiddisk == info->disk.raid_disk)
break;
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