[v7,10/35] hostmem-file: clean up memory allocation
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Message ID 1446455617-129562-11-git-send-email-guangrong.xiao@linux.intel.com
State New
Headers show

Commit Message

Xiao Guangrong Nov. 2, 2015, 9:13 a.m. UTC
- hostmem-file.c is compiled only if CONFIG_LINUX is enabled so that is
  unnecessary to do the same check in the source file

- the interface, HostMemoryBackendClass->alloc(), is not called many
  times, do not need to check if the memory-region is initialized

Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Signed-off-by: Xiao Guangrong <guangrong.xiao@linux.intel.com>
---
 backends/hostmem-file.c | 11 +++--------
 1 file changed, 3 insertions(+), 8 deletions(-)

Patch
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diff --git a/backends/hostmem-file.c b/backends/hostmem-file.c
index e9b6d21..9097a57 100644
--- a/backends/hostmem-file.c
+++ b/backends/hostmem-file.c
@@ -46,17 +46,12 @@  file_backend_memory_alloc(HostMemoryBackend *backend, Error **errp)
         error_setg(errp, "mem-path property not set");
         return;
     }
-#ifndef CONFIG_LINUX
-    error_setg(errp, "-mem-path not supported on this host");
-#else
-    if (!memory_region_size(&backend->mr)) {
-        backend->force_prealloc = mem_prealloc;
-        memory_region_init_ram_from_file(&backend->mr, OBJECT(backend),
+
+    backend->force_prealloc = mem_prealloc;
+    memory_region_init_ram_from_file(&backend->mr, OBJECT(backend),
                                  object_get_canonical_path(OBJECT(backend)),
                                  backend->size, fb->share,
                                  fb->mem_path, errp);
-    }
-#endif
 }
 
 static void