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Assemble: fix handling of empty container 

# mdadm --create /dev/md/ddf /dev/sd[b-e] -n 4 -e ddf
mdadm: container /dev/md/ddf prepared.
# mdadm -Ss
mdadm: stopped /dev/md126
# mdadm -As
mdadm: Container /dev/md/ddf0 has been assembled with 4 drives
Segmentation fault

Reported-by: Artur Wojcik <artur.wojcik@intel.com>
Reported-by: Jacek Danecki <jacek.danecki@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
This commit is contained in:
Dan Williams 2009-08-04 10:17:23 -07:00
parent 7e8545e954
commit 3ef383aa96
1 changed files with 2 additions and 0 deletions
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2
Assemble.c
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@ -320,6 +320,8 @@ int Assemble(struct supertype *st, char *mddev,
content = tmpdev->content;
else
content = tst->ss->container_content(tst);
if (!content)
goto loop; /* empty container */
tmpdev->content = content->next;
if (tmpdev->content == NULL)