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Do not uselessly reload modules in DuplicateModule

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The function does not initialize the module so it has no business
loading it. If some user of DuplicateModule expects a module actually
loaded they should use LoadModule.

Signed-off-by: Michal Suchanek <hramrach@centrum.cz>
Reviewed-by: Peter Hutterer <peter.hutterer@who-t.net>
This commit is contained in:
Michal Suchanek
2011-10-08 14:26:24 +02:00
parent 24d435163e
commit df0dd36dee
1 changed files with 9 additions and 9 deletions
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18
hw/xfree86/loader/loadmod.c
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@@ -94,6 +94,8 @@ const ModuleVersions LoaderVersionInfo = {
ABI_FONT_VERSION
};
static int ModuleDuplicated[] = {};
static void
FreeStringList(char **paths)
{
@@ -785,7 +787,6 @@ ModuleDescPtr
DuplicateModule(ModuleDescPtr mod, ModuleDescPtr parent)
{
ModuleDescPtr ret;
int errmaj, errmin;
if (!mod)
return NULL;
@@ -794,14 +795,11 @@ DuplicateModule(ModuleDescPtr mod, ModuleDescPtr parent)
if (ret == NULL)
return NULL;
if (!(ret->handle = LoaderOpen(mod->path, &errmaj, &errmin))) {
free(ret);
return NULL;
}
ret->handle = mod->handle;
ret->SetupProc = mod->SetupProc;
ret->TearDownProc = mod->TearDownProc;
ret->TearDownData = NULL;
ret->TearDownData = ModuleDuplicated;
ret->child = DuplicateModule(mod->child, ret);
ret->sib = DuplicateModule(mod->sib, parent);
ret->parent = parent;
@@ -1077,9 +1075,11 @@ UnloadModuleOrDriver(ModuleDescPtr mod)
else
xf86MsgVerb(X_INFO, 3, "UnloadModule: \"%s\"\n", mod->name);
if ((mod->TearDownProc) && (mod->TearDownData))
mod->TearDownProc(mod->TearDownData);
LoaderUnload(mod->name, mod->handle);
if (mod->TearDownData != ModuleDuplicated) {
if ((mod->TearDownProc) && (mod->TearDownData))
mod->TearDownProc(mod->TearDownData);
LoaderUnload(mod->name, mod->handle);
}
if (mod->child)
UnloadModuleOrDriver(mod->child);