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-rw-r--r--fs/nfs/super.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/fs/nfs/super.c b/fs/nfs/super.c
index 23790c7b2289..c27ac96a95bd 100644
--- a/fs/nfs/super.c
+++ b/fs/nfs/super.c
@@ -2041,7 +2041,8 @@ static int nfs23_validate_mount_data(void *options,
memcpy(sap, &data->addr, sizeof(data->addr));
args->nfs_server.addrlen = sizeof(data->addr);
args->nfs_server.port = ntohs(data->addr.sin_port);
- if (!nfs_verify_server_address(sap))
+ if (sap->sa_family != AF_INET ||
+ !nfs_verify_server_address(sap))
goto out_no_address;
if (!(data->flags & NFS_MOUNT_TCP))