diff options
Diffstat (limited to 'drivers/staging/lustre/lnet/selftest/conctl.c')
| -rw-r--r-- | drivers/staging/lustre/lnet/selftest/conctl.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/staging/lustre/lnet/selftest/conctl.c b/drivers/staging/lustre/lnet/selftest/conctl.c index 210e24e6db0d..90b7771ac7c6 100644 --- a/drivers/staging/lustre/lnet/selftest/conctl.c +++ b/drivers/staging/lustre/lnet/selftest/conctl.c @@ -801,15 +801,20 @@ out: } int -lstcon_ioctl_entry(unsigned int cmd, struct libcfs_ioctl_data *data) +lstcon_ioctl_entry(unsigned int cmd, struct libcfs_ioctl_hdr *hdr) { char *buf; - int opc = data->ioc_u32[0]; + struct libcfs_ioctl_data *data; + int opc; int rc; if (cmd != IOC_LIBCFS_LNETST) return -EINVAL; + data = container_of(hdr, struct libcfs_ioctl_data, ioc_hdr); + + opc = data->ioc_u32[0]; + if (data->ioc_plen1 > PAGE_CACHE_SIZE) return -EINVAL; |