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Commit da4e5898 authored by Liang Zhen's avatar Liang Zhen Committed by Greg Kroah-Hartman
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staging: lustre: lnet: make sure lnet data not greater than LIBCFS_IOC_DATA_MAX 



Fail to compile if largest LNet user land data structures passed
to kernel are larger than LIBCFS_IOC_DATA_MAX

Signed-off-by: default avatarLiang 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: default avatarBobi Jam <bobijam@gmail.com>
Reviewed-by: default avatarJohann Lombardi <johann.lombardi@intel.com>
Reviewed-by: default avatarOleg Drokin <oleg.drokin@intel.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent ed2f549d

drivers/staging/lustre/lnet/lnet/api-ni.c

+4 −0
Original line number Diff line number Diff line
@@ -1864,6 +1864,10 @@ LNetCtl(unsigned int cmd, void *arg) 
	int rc;

	unsigned long secs_passed;



	BUILD_BUG_ON(LIBCFS_IOC_DATA_MAX <

		     sizeof(struct lnet_ioctl_net_config) +

		     sizeof(struct lnet_ioctl_config_data));



	switch (cmd) {

	case IOC_LIBCFS_GET_NI:

		rc = LNetGetId(data->ioc_count, &id);