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Improvements to runtime service init code

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Light refactoring of the code in runtime_svc.c file.

 - Declare validate_rt_svc_desc()'s argument as const.

 - Remove 'goto' path in runtime_svc_init(). It was used in one
   place only.

 - Improve code readability by declaring a local variable holding the
   service pointer.

Change-Id: I3b15c5adb9f37b786b5b993a9be70ea9dd017a83
This commit is contained in:
Sandrine Bailleux 2016-06-28 16:44:28 +01:00
parent a1c3faa6c7
commit 9d24d353e6
1 changed files with 10 additions and 15 deletions
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25
common/runtime_svc.c
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@ -54,7 +54,7 @@ static rt_svc_desc_t *rt_svc_descs;
/*******************************************************************************
* Simple routine to sanity check a runtime service descriptor before using it
******************************************************************************/
static int32_t validate_rt_svc_desc(rt_svc_desc_t *desc)
static int32_t validate_rt_svc_desc(const rt_svc_desc_t *desc)
{
if (desc == NULL)
return -EINVAL;
@ -98,18 +98,18 @@ void runtime_svc_init(void)
rt_svc_descs = (rt_svc_desc_t *) RT_SVC_DESCS_START;
for (index = 0; index < RT_SVC_DECS_NUM; index++) {
rt_svc_desc_t *service = &rt_svc_descs[index];
/*
* An invalid descriptor is an error condition since it is
* difficult to predict the system behaviour in the absence
* of this service.
*/
rc = validate_rt_svc_desc(&rt_svc_descs[index]);
rc = validate_rt_svc_desc(service);
if (rc) {
ERROR("Invalid runtime service descriptor %p (%s)\n",
(void *) &rt_svc_descs[index],
rt_svc_descs[index].name);
goto error;
(void *) service, service->name);
panic();
}
/*
@ -119,11 +119,11 @@ void runtime_svc_init(void)
* an initialisation routine defined. Call the initialisation
* routine for this runtime service, if it is defined.
*/
if (rt_svc_descs[index].init) {
rc = rt_svc_descs[index].init();
if (service->init) {
rc = service->init();
if (rc) {
ERROR("Error initializing runtime service %s\n",
rt_svc_descs[index].name);
service->name);
continue;
}
}
@ -135,15 +135,10 @@ void runtime_svc_init(void)
* entity range.
*/
start_idx = get_unique_oen(rt_svc_descs[index].start_oen,
rt_svc_descs[index].call_type);
service->call_type);
end_idx = get_unique_oen(rt_svc_descs[index].end_oen,
rt_svc_descs[index].call_type);
service->call_type);
for (; start_idx <= end_idx; start_idx++)
rt_svc_descs_indices[start_idx] = index;
}
return;
error:
panic();
}