summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--drivers/nvme/host/ioctl.c31
1 files changed, 17 insertions, 14 deletions
diff --git a/drivers/nvme/host/ioctl.c b/drivers/nvme/host/ioctl.c
index f81748096841..809910da8c6e 100644
--- a/drivers/nvme/host/ioctl.c
+++ b/drivers/nvme/host/ioctl.c
@@ -129,10 +129,9 @@ static int nvme_map_user_request(struct request *req, u64 ubuffer,
if (!nvme_ctrl_sgl_supported(ctrl))
dev_warn_once(ctrl->device, "using unchecked data buffer\n");
if (has_metadata) {
- if (!supports_metadata) {
- ret = -EINVAL;
- goto out;
- }
+ if (!supports_metadata)
+ return -EINVAL;
+
if (!nvme_ctrl_meta_sgl_supported(ctrl))
dev_warn_once(ctrl->device,
"using unchecked metadata buffer\n");
@@ -142,15 +141,14 @@ static int nvme_map_user_request(struct request *req, u64 ubuffer,
struct iov_iter iter;
/* fixedbufs is only for non-vectored io */
- if (flags & NVME_IOCTL_VEC) {
- ret = -EINVAL;
- goto out;
- }
+ if (flags & NVME_IOCTL_VEC)
+ return -EINVAL;
+
ret = io_uring_cmd_import_fixed(ubuffer, bufflen,
rq_data_dir(req), &iter, ioucmd,
iou_issue_flags);
if (ret < 0)
- goto out;
+ return ret;
ret = blk_rq_map_user_iov(q, req, NULL, &iter, GFP_KERNEL);
} else {
ret = blk_rq_map_user_io(req, NULL, nvme_to_user_ptr(ubuffer),
@@ -159,7 +157,7 @@ static int nvme_map_user_request(struct request *req, u64 ubuffer,
}
if (ret)
- goto out;
+ return ret;
bio = req->bio;
if (bdev)
@@ -176,8 +174,6 @@ static int nvme_map_user_request(struct request *req, u64 ubuffer,
out_unmap:
if (bio)
blk_rq_unmap_user(bio);
-out:
- blk_mq_free_request(req);
return ret;
}
@@ -202,7 +198,7 @@ static int nvme_submit_user_cmd(struct request_queue *q,
ret = nvme_map_user_request(req, ubuffer, bufflen, meta_buffer,
meta_len, NULL, flags, 0);
if (ret)
- return ret;
+ goto out_free_req;
}
bio = req->bio;
@@ -218,7 +214,10 @@ static int nvme_submit_user_cmd(struct request_queue *q,
if (effects)
nvme_passthru_end(ctrl, ns, effects, cmd, ret);
+ return ret;
+out_free_req:
+ blk_mq_free_request(req);
return ret;
}
@@ -521,7 +520,7 @@ static int nvme_uring_cmd_io(struct nvme_ctrl *ctrl, struct nvme_ns *ns,
d.data_len, nvme_to_user_ptr(d.metadata),
d.metadata_len, ioucmd, vec, issue_flags);
if (ret)
- return ret;
+ goto out_free_req;
}
/* to free bio on completion, as req->bio will be null at that time */
@@ -531,6 +530,10 @@ static int nvme_uring_cmd_io(struct nvme_ctrl *ctrl, struct nvme_ns *ns,
req->end_io = nvme_uring_cmd_end_io;
blk_execute_rq_nowait(req, false);
return -EIOCBQUEUED;
+
+out_free_req:
+ blk_mq_free_request(req);
+ return ret;
}
static bool is_ctrl_ioctl(unsigned int cmd)