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| author | James Simmons <jsimmons@infradead.org> | 2017-08-19 22:26:22 -0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-08-22 18:36:49 -0700 |
| commit | ef27faebbad8d936bd2672ed94c4b925b5c92609 (patch) | |
| tree | e2724814d74e0a556d8f25fd2c8bfeaefc1b7bcf | |
| parent | 63d384bfa650f066f44c35b92173d54545dbaf25 (diff) | |
| download | cachepc-linux-ef27faebbad8d936bd2672ed94c4b925b5c92609.tar.gz cachepc-linux-ef27faebbad8d936bd2672ed94c4b925b5c92609.zip | |
staging: lustre: uapi: check if argument for lustre_cfg_buf() is NULL
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>
| -rw-r--r-- | drivers/staging/lustre/include/uapi/linux/lustre/lustre_cfg.h | 3 |
1 files changed, 3 insertions, 0 deletions
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 4d2393870ccd..4208d61cb37b 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; |