staging: lustre: uapi: check if argument for lustre_cfg_buf() is NULL

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Check if lcfg passed in is NULL and if it is just return NULL.

Signed-off-by: James Simmons <uja.ornl@yahoo.com>
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-6245
Reviewed-on: https://review.whamcloud.com/22138
Reviewed-by: Dmitry Eremin <dmitry.eremin@intel.com>
Reviewed-by: Jinshan Xiong <jinshan.xiong@intel.com>
Reviewed-by: Fan Yong <fan.yong@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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James Simmons 2017-08-19 22:26:22 -04:00 • committed by Greg Kroah-Hartman

parent 63d384bfa6

commit ef27faebba

1 changed files with 3 additions and 0 deletions

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drivers/staging/lustre/include/uapi/linux/lustre/lustre_cfg.h

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