RDMA: Use u64_to_user_ptr everywhere
This is already used in many places, get the rest of them too, only
to make the code a bit clearer & simpler.
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
diff --git a/drivers/infiniband/core/ucma.c b/drivers/infiniband/core/ucma.c
index db4190b..2abb70c 100644
--- a/drivers/infiniband/core/ucma.c
+++ b/drivers/infiniband/core/ucma.c
@@ -420,7 +420,7 @@ static ssize_t ucma_get_event(struct ucma_file *file, const char __user *inbuf,
uevent->resp.id = ctx->id;
}
- if (copy_to_user((void __user *)(unsigned long)cmd.response,
+ if (copy_to_user(u64_to_user_ptr(cmd.response),
&uevent->resp,
min_t(size_t, out_len, sizeof(uevent->resp)))) {
ret = -EFAULT;
@@ -489,7 +489,7 @@ static ssize_t ucma_create_id(struct ucma_file *file, const char __user *inbuf,
}
resp.id = ctx->id;
- if (copy_to_user((void __user *)(unsigned long)cmd.response,
+ if (copy_to_user(u64_to_user_ptr(cmd.response),
&resp, sizeof(resp))) {
ret = -EFAULT;
goto err2;
@@ -614,7 +614,7 @@ static ssize_t ucma_destroy_id(struct ucma_file *file, const char __user *inbuf,
}
resp.events_reported = ucma_free_ctx(ctx);
- if (copy_to_user((void __user *)(unsigned long)cmd.response,
+ if (copy_to_user(u64_to_user_ptr(cmd.response),
&resp, sizeof(resp)))
ret = -EFAULT;
@@ -840,7 +840,7 @@ static ssize_t ucma_query_route(struct ucma_file *file,
ucma_copy_iw_route(&resp, &ctx->cm_id->route);
out:
- if (copy_to_user((void __user *)(unsigned long)cmd.response,
+ if (copy_to_user(u64_to_user_ptr(cmd.response),
&resp, sizeof(resp)))
ret = -EFAULT;
@@ -986,7 +986,7 @@ static ssize_t ucma_query(struct ucma_file *file,
if (copy_from_user(&cmd, inbuf, sizeof(cmd)))
return -EFAULT;
- response = (void __user *)(unsigned long) cmd.response;
+ response = u64_to_user_ptr(cmd.response);
ctx = ucma_get_ctx(file, cmd.id);
if (IS_ERR(ctx))
return PTR_ERR(ctx);
@@ -1169,7 +1169,7 @@ static ssize_t ucma_init_qp_attr(struct ucma_file *file,
goto out;
ib_copy_qp_attr_to_user(ctx->cm_id->device, &resp, &qp_attr);
- if (copy_to_user((void __user *)(unsigned long)cmd.response,
+ if (copy_to_user(u64_to_user_ptr(cmd.response),
&resp, sizeof(resp)))
ret = -EFAULT;
@@ -1305,7 +1305,7 @@ static ssize_t ucma_set_option(struct ucma_file *file, const char __user *inbuf,
if (unlikely(cmd.optval > KMALLOC_MAX_SIZE))
return -EINVAL;
- optval = memdup_user((void __user *) (unsigned long) cmd.optval,
+ optval = memdup_user(u64_to_user_ptr(cmd.optval),
cmd.optlen);
if (IS_ERR(optval)) {
ret = PTR_ERR(optval);
@@ -1383,7 +1383,7 @@ static ssize_t ucma_process_join(struct ucma_file *file,
goto err2;
resp.id = mc->id;
- if (copy_to_user((void __user *)(unsigned long) cmd->response,
+ if (copy_to_user(u64_to_user_ptr(cmd->response),
&resp, sizeof(resp))) {
ret = -EFAULT;
goto err3;
@@ -1488,7 +1488,7 @@ static ssize_t ucma_leave_multicast(struct ucma_file *file,
resp.events_reported = mc->events_reported;
kfree(mc);
- if (copy_to_user((void __user *)(unsigned long)cmd.response,
+ if (copy_to_user(u64_to_user_ptr(cmd.response),
&resp, sizeof(resp)))
ret = -EFAULT;
out:
@@ -1575,7 +1575,7 @@ static ssize_t ucma_migrate_id(struct ucma_file *new_file,
ucma_unlock_files(cur_file, new_file);
response:
- if (copy_to_user((void __user *)(unsigned long)cmd.response,
+ if (copy_to_user(u64_to_user_ptr(cmd.response),
&resp, sizeof(resp)))
ret = -EFAULT;