diff options
Diffstat (limited to 'drivers/nvme/host/ioctl.c')
| -rw-r--r-- | drivers/nvme/host/ioctl.c | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/drivers/nvme/host/ioctl.c b/drivers/nvme/host/ioctl.c index 27614bee7380..a48a79ed5c4c 100644 --- a/drivers/nvme/host/ioctl.c +++ b/drivers/nvme/host/ioctl.c @@ -136,9 +136,11 @@ static int nvme_submit_user_cmd(struct request_queue *q, unsigned bufflen, void __user *meta_buffer, unsigned meta_len, u32 meta_seed, u64 *result, unsigned timeout, bool vec) { + struct nvme_ctrl *ctrl; struct request *req; void *meta = NULL; struct bio *bio; + u32 effects; int ret; req = nvme_alloc_user_request(q, cmd, ubuffer, bufflen, meta_buffer, @@ -147,8 +149,9 @@ static int nvme_submit_user_cmd(struct request_queue *q, return PTR_ERR(req); bio = req->bio; + ctrl = nvme_req(req)->ctrl; - ret = nvme_execute_passthru_rq(req); + ret = nvme_execute_passthru_rq(req, &effects); if (result) *result = le64_to_cpu(nvme_req(req)->result.u64); @@ -158,6 +161,10 @@ static int nvme_submit_user_cmd(struct request_queue *q, if (bio) blk_rq_unmap_user(bio); blk_mq_free_request(req); + + if (effects) + nvme_passthru_end(ctrl, effects, cmd, ret); + return ret; } @@ -757,11 +764,17 @@ long nvme_dev_ioctl(struct file *file, unsigned int cmd, case NVME_IOCTL_IO_CMD: return nvme_dev_user_cmd(ctrl, argp); case NVME_IOCTL_RESET: + if (!capable(CAP_SYS_ADMIN)) + return -EACCES; dev_warn(ctrl->device, "resetting controller\n"); return nvme_reset_ctrl_sync(ctrl); case NVME_IOCTL_SUBSYS_RESET: + if (!capable(CAP_SYS_ADMIN)) + return -EACCES; return nvme_reset_subsystem(ctrl); case NVME_IOCTL_RESCAN: + if (!capable(CAP_SYS_ADMIN)) + return -EACCES; nvme_queue_scan(ctrl); return 0; default: |