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hostmem-file: simplify ifdef-s in file_backend_memory_alloc()

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cleanup file_backend_memory_alloc() by using one CONFIG_POSIX ifdef
instead of several ones within the function to make it simpler to follow.

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Suggested-by: Wei Yang <richardw.yang@linux.intel.com>
Reviewed-by: Wei Yang <richardw.yang@linux.intel.com>
Message-Id: <20190213123858.24620-1-imammedo@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-Id: <20190214031004.32522-2-stefanha@redhat.com>
[lv: s/hostmem/hostmem-file/]
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
This commit is contained in:
Igor Mammedov 2019-02-14 11:10:03 +08:00 committed by Laurent Vivier
parent 9ab71e5ee5
commit 5c7ba877ef
1 changed files with 4 additions and 5 deletions
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9
backends/hostmem-file.c
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@ -41,10 +41,12 @@ struct HostMemoryBackendFile {
static void
file_backend_memory_alloc(HostMemoryBackend *backend, Error **errp)
{
#ifndef CONFIG_POSIX
error_setg(errp, "backend '%s' not supported on this host",
object_get_typename(OBJECT(backend)));
#else
HostMemoryBackendFile *fb = MEMORY_BACKEND_FILE(backend);
#ifdef CONFIG_POSIX
gchar *name;
#endif
if (!backend->size) {
error_setg(errp, "can't create backend with size 0");
@ -54,9 +56,6 @@ file_backend_memory_alloc(HostMemoryBackend *backend, Error **errp)
error_setg(errp, "mem-path property not set");
return;
}
#ifndef CONFIG_POSIX
error_setg(errp, "-mem-path not supported on this host");
#else
backend->force_prealloc = mem_prealloc;
name = host_memory_backend_get_name(backend);
memory_region_init_ram_from_file(&backend->mr, OBJECT(backend),