Fix coverity warnings

Change-Id: I37131f2d814a608fe9098daff83ff395f7ce99d7
Signed-off-by: Dave Barach <dave@barachs.net>

6 files changed, 16 insertions, 3 deletions

diff --git a/svm/svmtool.c b/svm/svmtool.c
index c37afbd152c..545f071e47e 100644
--- a/svm/svmtool.c
+++ b/svm/svmtool.c
@@ -164,6 +164,7 @@ svm_map_region_nolock (svm_map_region_args_t * a)
   if (rp->version == 0)
     {
       clib_warning ("rp->version %d not %d", rp->version, SVM_VERSION);
+      munmap (rp, MMAP_PAGESIZE);
       return (0);
     }
   /* Remap now that the region has been placed */
diff --git a/vlib-api/vlibapi/api_shared.c b/vlib-api/vlibapi/api_shared.c
index 18b189e1837..66f894b4edf 100644
--- a/vlib-api/vlibapi/api_shared.c
+++ b/vlib-api/vlibapi/api_shared.c
@@ -780,6 +780,7 @@ vl_msg_api_process_file (vlib_main_t * vm, u8 * filename,
   if (!(statb.st_mode & S_IFREG) || (statb.st_size < sizeof (*hp)))
     {
       vlib_cli_output (vm, "File not plausible: %s\n", filename);
+      close(fd);
       return;
     }
 
@@ -814,6 +815,7 @@ vl_msg_api_process_file (vlib_main_t * vm, u8 * filename,
     {
       vlib_cli_output (vm, "Range (%d, %d) outside file range (0, %d)\n",
 		       first_index, last_index, nitems - 1);
+      munmap (hp, file_size);
       return;
     }
   if (hp->wrapped)
diff --git a/vlib-api/vlibmemory/memory_vlib.c b/vlib-api/vlibmemory/memory_vlib.c
index c2c14acf183..13b1121a0f4 100644
--- a/vlib-api/vlibmemory/memory_vlib.c
+++ b/vlib-api/vlibmemory/memory_vlib.c
@@ -1042,7 +1042,12 @@ vl_api_trace_print_file_cmd (vlib_main_t * vm, u32 first, u32 last,
 	}
       msg_id = ntohs (msg_id);
 
-      fseek (fp, -2, SEEK_CUR);
+      if (fseek (fp, -2, SEEK_CUR) < 0)
+        {
+          vlib_cli_output (vm, "fseek failed, %s", strerror(errno));
+          fclose(fp);
+          return;
+        }
 
       /* Mild sanity check */
       if (msg_id >= vec_len (am->msg_handlers))
diff --git a/vlib-api/vlibsocket/sockclnt_vlib.c b/vlib-api/vlibsocket/sockclnt_vlib.c
index d173c860ea2..4ae274c228e 100644
--- a/vlib-api/vlibsocket/sockclnt_vlib.c
+++ b/vlib-api/vlibsocket/sockclnt_vlib.c
@@ -114,6 +114,7 @@ sockclnt_open_index (char *client_name, char *hostname, int port)
   if (rv < 0)
     {
       clib_unix_warning ("FIONBIO");
+      close(sockfd);
       return ~0;
     }
 
diff --git a/vlib-api/vlibsocket/socksvr_vlib.c b/vlib-api/vlibsocket/socksvr_vlib.c
index e70124d3a57..91c6bfde674 100644
--- a/vlib-api/vlibsocket/socksvr_vlib.c
+++ b/vlib-api/vlibsocket/socksvr_vlib.c
@@ -608,6 +608,7 @@ socksvr_api_init (vlib_main_t * vm)
   rv = listen (sockfd, 5);
   if (rv < 0)
     {
+      close(sockfd);
       return clib_error_return_unix (0, "listen");
     }
 
diff --git a/vlib/vlib/cli.c b/vlib/vlib/cli.c
index 79db99f9632..5e959a78bf5 100644
--- a/vlib/vlib/cli.c
+++ b/vlib/vlib/cli.c
@@ -853,8 +853,11 @@ add_sub_command (vlib_cli_main_t * cm, uword parent_index, uword child_index)
 
       q = hash_get_mem (cm->parse_rule_index_by_name, sub_name);
       if (!q)
-	clib_error ("reference to unknown rule `%%%v' in path `%v'",
-		    sub_name, c->path);
+        {
+          clib_error ("reference to unknown rule `%%%v' in path `%v'",
+                      sub_name, c->path);
+          return;
+        }
 
       hash_set_mem (p->sub_rule_index_by_name, sub_name,
 		    vec_len (p->sub_rules));