| From | James Simmons <> | Subject | [PATCH 28/64] staging: lustre: uapi: check if argument for lustre_cfg_buf() is NULL | Date | Mon, 14 Aug 2017 11:46:56 -0400 |
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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> --- drivers/staging/lustre/include/uapi/linux/lustre/lustre_cfg.h | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/drivers/staging/lustre/include/uapi/linux/lustre/lustre_cfg.h b/drivers/staging/lustre/include/uapi/linux/lustre/lustre_cfg.h index 4d23938..4208d61 100644 --- a/drivers/staging/lustre/include/uapi/linux/lustre/lustre_cfg.h +++ b/drivers/staging/lustre/include/uapi/linux/lustre/lustre_cfg.h @@ -161,6 +161,9 @@ static inline void *lustre_cfg_buf(struct lustre_cfg *lcfg, __u32 index) size_t offset; __u32 bufcount; + if (!lcfg) + return NULL; + bufcount = lcfg->lcfg_bufcount; if (index >= bufcount) return NULL; -- 1.8.3.1
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