[RFC PATCH 47/78] contrib/rdmacm-mux: add fallthrough pseudo-keyword

[Emmanouil Pitsidianakis]

In preparation of raising -Wimplicit-fallthrough to 5, replace all
fall-through comments with the fallthrough attribute pseudo-keyword.

Signed-off-by: Emmanouil Pitsidianakis <manos.pitsidianakis@linaro.org>
---
 contrib/rdmacm-mux/main.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/contrib/rdmacm-mux/main.c b/contrib/rdmacm-mux/main.c
index 771ca01e03..dda6917d58 100644
--- a/contrib/rdmacm-mux/main.c
+++ b/contrib/rdmacm-mux/main.c
@@ -303,72 +303,72 @@ static void hash_tbl_remove_fd_ifid_pair(int fd)
 static int get_fd(const char *mad, int umad_len, int *fd, __be64 *gid_ifid)
 {
     struct umad_hdr *hdr = (struct umad_hdr *)mad;
     char *data = (char *)hdr + sizeof(*hdr);
     int32_t comm_id = 0;
     uint16_t attr_id = be16toh(hdr->attr_id);
     int rc = 0;
 
     if (umad_len <= sizeof(*hdr)) {
         rc = -EINVAL;
         syslog(LOG_DEBUG, "Ignoring MAD packets with header only\n");
         goto out;
     }
 
     switch (attr_id) {
     case UMAD_CM_ATTR_REQ:
         if (unlikely(umad_len < sizeof(*hdr) + CM_REQ_DGID_POS +
             sizeof(*gid_ifid))) {
             rc = -EINVAL;
             syslog(LOG_WARNING,
                    "Invalid MAD packet size (%d) for attr_id 0x%x\n", umad_len,
                     attr_id);
             goto out;
         }
         memcpy(gid_ifid, data + CM_REQ_DGID_POS, sizeof(*gid_ifid));
         rc = hash_tbl_search_fd_by_ifid(fd, gid_ifid);
         break;
 
     case UMAD_CM_ATTR_SIDR_REQ:
         if (unlikely(umad_len < sizeof(*hdr) + CM_SIDR_REQ_DGID_POS +
             sizeof(*gid_ifid))) {
             rc = -EINVAL;
             syslog(LOG_WARNING,
                    "Invalid MAD packet size (%d) for attr_id 0x%x\n", umad_len,
                     attr_id);
             goto out;
         }
         memcpy(gid_ifid, data + CM_SIDR_REQ_DGID_POS, sizeof(*gid_ifid));
         rc = hash_tbl_search_fd_by_ifid(fd, gid_ifid);
         break;
 
     case UMAD_CM_ATTR_REP:
-        /* Fall through */
+        fallthrough;
     case UMAD_CM_ATTR_REJ:
-        /* Fall through */
+        fallthrough;
     case UMAD_CM_ATTR_DREQ:
-        /* Fall through */
+        fallthrough;
     case UMAD_CM_ATTR_DREP:
-        /* Fall through */
+        fallthrough;
     case UMAD_CM_ATTR_RTU:
         data += sizeof(comm_id);
-        /* Fall through */
+        fallthrough;
     case UMAD_CM_ATTR_SIDR_REP:
         if (unlikely(umad_len < sizeof(*hdr) + sizeof(comm_id))) {
             rc = -EINVAL;
             syslog(LOG_WARNING,
                    "Invalid MAD packet size (%d) for attr_id 0x%x\n", umad_len,
                    attr_id);
             goto out;
         }
         memcpy(&comm_id, data, sizeof(comm_id));
         if (comm_id) {
             rc = hash_tbl_search_fd_by_comm_id(comm_id, fd, gid_ifid);
         }
         break;
 
     default:
         rc = -EINVAL;
         syslog(LOG_WARNING, "Unsupported attr_id 0x%x\n", attr_id);
     }
 
     syslog(LOG_DEBUG, "mad_to_vm: %d 0x%x 0x%x\n", *fd, attr_id, comm_id);
-- 
2.39.2