diff options
| author | John L. Hammond <john.hammond@intel.com> | 2016-04-12 16:14:15 -0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-04-26 15:13:13 -0700 |
| commit | 1cc28b77798d48e31e5dc16cea4274eb52972fd4 (patch) | |
| tree | aca6b7b3d2c61367bcafc2d975d40383e773c3f7 /drivers/staging/lustre/lustre/llite/dir.c | |
| parent | 554f0724af5bab4b263ff3c2f0324db79e868aae (diff) | |
staging: lustre: hsm: permission checks for HSM ioctl operations
In the LL_IOC_HSM_CT_START case of ll_dir_ioctl() require
CAP_SYS_ADMIN, since the local handler for this ioctl may modify the
global KUC table.
Signed-off-by: John L. Hammond <john.hammond@intel.com>
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-3866
Reviewed-on: http://review.whamcloud.com/7565
Reviewed-by: Aurelien Degremont <aurelien.degremont@cea.fr>
Reviewed-by: Faccini Bruno <bruno.faccini@intel.com>
Reviewed-by: Jinshan Xiong <jinshan.xiong@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>
Diffstat (limited to 'drivers/staging/lustre/lustre/llite/dir.c')
| -rw-r--r-- | drivers/staging/lustre/lustre/llite/dir.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/staging/lustre/lustre/llite/dir.c b/drivers/staging/lustre/lustre/llite/dir.c index 1d5366b15a1b..b457c28d0a29 100644 --- a/drivers/staging/lustre/lustre/llite/dir.c +++ b/drivers/staging/lustre/lustre/llite/dir.c @@ -1843,6 +1843,9 @@ out_quotactl: return rc; } case LL_IOC_HSM_CT_START: + if (!capable(CFS_CAP_SYS_ADMIN)) + return -EPERM; + rc = copy_and_ioctl(cmd, sbi->ll_md_exp, (void __user *)arg, sizeof(struct lustre_kernelcomm)); return rc; |