Check if lcfg passed in is NULL and if it is just return NULL.
Signed-off-by: James Simmons <[email protected]>
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-6245
Reviewed-on: https://review.whamcloud.com/22138
Reviewed-by: Dmitry Eremin <[email protected]>
Reviewed-by: Jinshan Xiong <[email protected]>
Reviewed-by: Fan Yong <[email protected]>
Reviewed-by: Oleg Drokin <[email protected]>
Signed-off-by: James Simmons <[email protected]>
---
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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