# HG changeset patch
# User Olaf Hering <olaf@xxxxxxxxx>
# Date 1307695638 -7200
# Node ID f26f07e19318b112b58ee370c16bee8bf5605d3f
# Parent ea8f764e530d66463ceb9e97af9756a2a8f96c7c
xenpaging: remove return values from functions that can not fail
get_request() and put_response() can not fail, remove return value
and update calling functions.
Signed-off-by: Olaf Hering <olaf@xxxxxxxxx>
diff -r ea8f764e530d -r f26f07e19318 tools/xenpaging/xenpaging.c
--- a/tools/xenpaging/xenpaging.c Fri Jun 10 10:47:16 2011 +0200
+++ b/tools/xenpaging/xenpaging.c Fri Jun 10 10:47:18 2011 +0200
@@ -342,7 +342,7 @@ static int xenpaging_teardown(xenpaging_
return -1;
}
-static int get_request(mem_event_t *mem_event, mem_event_request_t *req)
+static void get_request(mem_event_t *mem_event, mem_event_request_t *req)
{
mem_event_back_ring_t *back_ring;
RING_IDX req_cons;
@@ -357,11 +357,9 @@ static int get_request(mem_event_t *mem_
/* Update ring */
back_ring->req_cons = req_cons;
back_ring->sring->req_event = req_cons + 1;
-
- return 0;
}
-static int put_response(mem_event_t *mem_event, mem_event_response_t *rsp)
+static void put_response(mem_event_t *mem_event, mem_event_response_t *rsp)
{
mem_event_back_ring_t *back_ring;
RING_IDX rsp_prod;
@@ -376,8 +374,6 @@ static int put_response(mem_event_t *mem
/* Update ring */
back_ring->rsp_prod_pvt = rsp_prod;
RING_PUSH_RESPONSES(back_ring);
-
- return 0;
}
static int xenpaging_evict_page(xenpaging_t *paging,
@@ -437,9 +433,7 @@ static int xenpaging_resume_page(xenpagi
int ret;
/* Put the page info on the ring */
- ret = put_response(&paging->mem_event, rsp);
- if ( ret != 0 )
- goto out;
+ put_response(&paging->mem_event, rsp);
/* Notify policy of page being paged in */
if ( notify_policy )
@@ -649,12 +643,7 @@ int main(int argc, char *argv[])
while ( RING_HAS_UNCONSUMED_REQUESTS(&paging->mem_event.back_ring) )
{
- rc = get_request(&paging->mem_event, &req);
- if ( rc != 0 )
- {
- ERROR("Error getting request");
- goto out;
- }
+ get_request(&paging->mem_event, &req);
/* Check if the page has already been paged in */
if ( test_and_clear_bit(req.gfn, paging->bitmap) )
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