staging: lustre: libcfs: test if data is NULL

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Make sure data is not NULL otherwise we get an oops
when using the IOC_LIBCFS_MARK_DEBUG ioctl.

Signed-off-by: Liang Zhen <liang.zhen@intel.com>
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-5435
Reviewed-on: http://review.whamcloud.com/11313
Reviewed-by: Bobi Jam <bobijam@gmail.com>
Reviewed-by: Johann Lombardi <johann.lombardi@intel.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

...

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Liang Zhen 2016-03-22 19:03:54 -04:00 • committed by Greg Kroah-Hartman

parent 0d674c10b0

commit 4e31dad14d

1 changed files with 1 additions and 1 deletions

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drivers/staging/lustre/lnet/libcfs/module.c

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