evas/cserve2: minor fixes (error paths).

Signed-off-by: Cedric Bail <cedric.bail@samsung.com>

src/bin/evas/evas_cserve2_cache.c

@@ -429,6 +429,8 @@ _load_request_build(Image_Data *i, int *bufsize)
 
    // opening shm for this file
    i->shm = cserve2_shm_request(i->file->w * i->file->h * 4);
+   if (!i->shm)
+     return NULL;
 
    shmpath = cserve2_shm_name_get(i->shm);
 
@@ -2012,6 +2014,7 @@ cserve2_cache_file_open(Client *client, unsigned int client_file_id, const char
              ERR("file \"%s\" is in file_ids hash but not in entries hash.",
                  buf);
              cserve2_client_error_send(client, rid, CSERVE2_INVALID_CACHE);
+             // FIXME: Maybe we should remove the entry from file_ids then?
              return -1;
           }
         ref = _entry_reference_add((Entry *)entry, client, client_file_id);

src/bin/evas/evas_cserve2_shm.c

@@ -67,6 +67,14 @@ cserve2_shm_request(size_t size)
         return NULL;
      }
 
+   shm = calloc(1, sizeof(Shm_Handle));
+   if (!shm)
+     {
+        ERR("Failed to allocate shared memory handler.");
+        free(map);
+        return NULL;
+     }
+
    do {
         snprintf(shmname, sizeof(shmname), "/evas-shm-img-%x-%d", (int)getuid(), id++);
         fd = shm_open(shmname, O_RDWR | O_CREAT | O_EXCL, S_IRUSR | S_IWUSR);
@@ -74,6 +82,7 @@ cserve2_shm_request(size_t size)
           {
              ERR("Failed to create shared memory object '%s': %m", shmname);
              free(map);
+             free(shm);
              return NULL;
           }
    } while (fd == -1);
@@ -85,6 +94,7 @@ cserve2_shm_request(size_t size)
         ERR("Failed to set size of shared file: %m");
         close(fd);
         free(map);
+        free(shm);
         return NULL;
      }
    close(fd);
@@ -92,15 +102,6 @@ cserve2_shm_request(size_t size)
    map->name = eina_stringshare_add(shmname);
    map->length = map_size;
 
-   shm = calloc(1, sizeof(Shm_Handle));
-   if (!shm)
-     {
-        ERR("Failed to allocate shared memory handler.");
-        eina_stringshare_del(map->name);
-        free(map);
-        return NULL;
-     }
-
    map->segments = eina_inlist_append(map->segments, EINA_INLIST_GET(shm));
    shm->mapping = map;
    shm->map_offset = 0;

src/lib/evas/cserve2/evas_cs2_client.c

@@ -634,6 +634,7 @@ _image_open_server_send(Image_Entry *ie, const char *file, const char *key, Evas
      {
         ERR("Couldn't send message to server.");
         free(buf);
+        free(fentry);
         return 0;
      }