apps/nshlib: Reuse local variable for cmd_memdump

Signed-off-by: wangjianyu3 <[email protected]>

Author: JianyuWang0623

nshlib/nsh_mmcmds.c

@@ -60,7 +60,6 @@ int cmd_free(FAR struct nsh_vtbl_s *vtbl, int argc, FAR char **argv)
 int cmd_memdump(FAR struct nsh_vtbl_s *vtbl, int argc, FAR char **argv)
 {
   FAR char *arg;
-  int ret;
   int i;
 
   arg = lib_get_tempbuffer(LINE_MAX);
@@ -78,10 +77,10 @@ int cmd_memdump(FAR struct nsh_vtbl_s *vtbl, int argc, FAR char **argv)
   else if (argc >= 2 && (strcmp(argv[1], "-h") == 0 ||
                          strcmp(argv[1], "help") == 0))
     {
-      ret = nsh_catfile(vtbl, argv[0],
-                        CONFIG_NSH_PROC_MOUNTPOINT "/memdump");
+      i = nsh_catfile(vtbl, argv[0],
+                      CONFIG_NSH_PROC_MOUNTPOINT "/memdump");
       lib_put_tempbuffer(arg);
-      return ret;
+      return i;
     }
   else
     {
@@ -95,10 +94,10 @@ int cmd_memdump(FAR struct nsh_vtbl_s *vtbl, int argc, FAR char **argv)
         }
     }
 
-  ret = nsh_writefile(vtbl, argv[0], arg, strlen(arg),
-                      CONFIG_NSH_PROC_MOUNTPOINT "/memdump");
+  i = nsh_writefile(vtbl, argv[0], arg, strlen(arg),
+                    CONFIG_NSH_PROC_MOUNTPOINT "/memdump");
   lib_put_tempbuffer(arg);
-  return ret;
+  return i;
 }
 
 #endif /* !CONFIG_NSH_DISABLE_MEMDUMP && NSH_HAVE_WRITEFILE */