staging: lustre: lmv: kernel crash due to misconfigured MDT

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There are few places with access to lmv->tgts[] without check for NULL.
Usually it may happens when MDT configured starting from index 1
instead of 0. For example:
	mkfs.lustre --reformat --mgs --mdt --index=1 /dev/sdd1

Signed-off-by: Dmitry Eremin <dmitry.eremin@intel.com>
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-4098
Reviewed-on: http://review.whamcloud.com/7941
Reviewed-by: Andreas Dilger <andreas.dilger@intel.com>
Reviewed-by: Alex Zhuravlev <alexey.zhuravlev@intel.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>
Signed-off-by: James Simmons <jsimmons@infradead.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

...

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Dmitry Eremin 2016-04-27 18:20:56 -04:00 • committed by Greg Kroah-Hartman

parent 7f937beb0a

commit 0fdd2b8d7c

1 changed files with 93 additions and 58 deletions

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drivers/staging/lustre/lustre/lmv/lmv_obd.c

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