From 7acad3c442df6d5158c5b732a7a0ccf3a01d9b30 Mon Sep 17 00:00:00 2001 From: Nathan Chancellor Date: Mon, 16 Sep 2024 06:24:34 -0700 Subject: [PATCH] RDMA/nldev: Add missing break in rdma_nl_notify_err_msg() Clang warns (or errors with CONFIG_WERROR=y): drivers/infiniband/core/nldev.c:2795:2: error: unannotated fall-through between switch labels [-Werror,-Wimplicit-fallthrough] 2795 | default: | ^ Clang is a little more pedantic than GCC, which does not warn when falling through to a case that is just break or return. Clang's version is more in line with the kernel's own stance in deprecated.rst, which states that all switch/case blocks must end in either break, fallthrough, continue, goto, or return. Add the missing break to silence the warning. Fixes: 9cbed5aab5ae ("RDMA/nldev: Add support for RDMA monitoring") Signed-off-by: Nathan Chancellor Link: https://patch.msgid.link/20240916-rdma-fix-clang-fallthrough-nl_notify_err_msg-v1-1-89de6a7423f1@kernel.org Signed-off-by: Leon Romanovsky --- drivers/infiniband/core/nldev.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/infiniband/core/nldev.c b/drivers/infiniband/core/nldev.c index 10b1411ac53d..39f89a4b8649 100644 --- a/drivers/infiniband/core/nldev.c +++ b/drivers/infiniband/core/nldev.c @@ -2792,6 +2792,7 @@ static void rdma_nl_notify_err_msg(struct ib_device *device, u32 port_num, dev_warn_ratelimited(&device->dev, "Failed to send RDMA monitor netdev detach event: port %d\n", port_num); + break; default: break; } -- 2.25.1