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Diffstat (limited to 'net/rds/rdma.c')
-rw-r--r--net/rds/rdma.c14
1 files changed, 6 insertions, 8 deletions
diff --git a/net/rds/rdma.c b/net/rds/rdma.c
index a7ae11846cd7..ccdd304eae0a 100644
--- a/net/rds/rdma.c
+++ b/net/rds/rdma.c
@@ -353,21 +353,20 @@ out:
return ret;
}
-int rds_get_mr(struct rds_sock *rs, char __user *optval, int optlen)
+int rds_get_mr(struct rds_sock *rs, sockptr_t optval, int optlen)
{
struct rds_get_mr_args args;
if (optlen != sizeof(struct rds_get_mr_args))
return -EINVAL;
- if (copy_from_user(&args, (struct rds_get_mr_args __user *)optval,
- sizeof(struct rds_get_mr_args)))
+ if (copy_from_sockptr(&args, optval, sizeof(struct rds_get_mr_args)))
return -EFAULT;
return __rds_rdma_map(rs, &args, NULL, NULL, NULL);
}
-int rds_get_mr_for_dest(struct rds_sock *rs, char __user *optval, int optlen)
+int rds_get_mr_for_dest(struct rds_sock *rs, sockptr_t optval, int optlen)
{
struct rds_get_mr_for_dest_args args;
struct rds_get_mr_args new_args;
@@ -375,7 +374,7 @@ int rds_get_mr_for_dest(struct rds_sock *rs, char __user *optval, int optlen)
if (optlen != sizeof(struct rds_get_mr_for_dest_args))
return -EINVAL;
- if (copy_from_user(&args, (struct rds_get_mr_for_dest_args __user *)optval,
+ if (copy_from_sockptr(&args, optval,
sizeof(struct rds_get_mr_for_dest_args)))
return -EFAULT;
@@ -394,7 +393,7 @@ int rds_get_mr_for_dest(struct rds_sock *rs, char __user *optval, int optlen)
/*
* Free the MR indicated by the given R_Key
*/
-int rds_free_mr(struct rds_sock *rs, char __user *optval, int optlen)
+int rds_free_mr(struct rds_sock *rs, sockptr_t optval, int optlen)
{
struct rds_free_mr_args args;
struct rds_mr *mr;
@@ -403,8 +402,7 @@ int rds_free_mr(struct rds_sock *rs, char __user *optval, int optlen)
if (optlen != sizeof(struct rds_free_mr_args))
return -EINVAL;
- if (copy_from_user(&args, (struct rds_free_mr_args __user *)optval,
- sizeof(struct rds_free_mr_args)))
+ if (copy_from_sockptr(&args, optval, sizeof(struct rds_free_mr_args)))
return -EFAULT;
/* Special case - a null cookie means flush all unused MRs */