Clean up xgi_pcie_heap_check

The whole purpose of xgi_pcie_heap_check is to log information about
entries on the used_list.  If XGI_DEBUG is not set, it doesn't print
anything.  Therefore we can #ifdef the whole function body.

Convert open-code list iteration to use list_for_each_entry.

1 files changed, 19 insertions, 23 deletions

diff --git a/linux-core/xgi_pcie.c b/linux-core/xgi_pcie.c
index a81dbe8b..dd758013 100644
--- a/linux-core/xgi_pcie.c
+++ b/linux-core/xgi_pcie.c
@@ -347,35 +347,31 @@ int xgi_pcie_heap_init(struct xgi_info * info)
 
 void xgi_pcie_heap_check(void)
 {
-	struct list_head *useList, *temp;
+#ifdef XGI_DEBUG
 	struct xgi_pcie_block *block;
 	unsigned int ownerIndex;
-#ifdef XGI_DEBUG
-	char *ownerStr[6] =
+	static const char *const ownerStr[6] =
 	    { "2D", "3D", "3D_CMD", "3D_SCR", "3D_TEX", "ELSE" };
-#endif
 
-	if (xgi_pcie_heap) {
-		useList = &xgi_pcie_heap->used_list;
-		temp = useList->next;
-		XGI_INFO("pcie freemax = 0x%lx\n", xgi_pcie_heap->max_freesize);
-		while (temp != useList) {
-			block = list_entry(temp, struct xgi_pcie_block, list);
-			if (block->owner == PCIE_2D)
-				ownerIndex = 0;
-			else if (block->owner > PCIE_3D_TEXTURE
-				 || block->owner < PCIE_2D
-				 || block->owner < PCIE_3D)
-				ownerIndex = 5;
-			else
-				ownerIndex = block->owner - PCIE_3D + 1;
-			XGI_INFO
-			    ("Allocated by %s, block->offset: 0x%lx block->size: 0x%lx \n",
-			     ownerStr[ownerIndex], block->offset, block->size);
-			temp = temp->next;
-		}
+	if (!xgi_pcie_heap) {
+		return;
+	}
+
+	XGI_INFO("pcie freemax = 0x%lx\n", xgi_pcie_heap->max_freesize);
+	list_for_each_entry(block, &xgi_pcie_heap->used_list, list) {
+		if (block->owner == PCIE_2D)
+			ownerIndex = 0;
+		else if (block->owner > PCIE_3D_TEXTURE
+			 || block->owner < PCIE_2D
+			 || block->owner < PCIE_3D)
+			ownerIndex = 5;
+		else
+			ownerIndex = block->owner - PCIE_3D + 1;
 
+		XGI_INFO("Allocated by %s, block offset: 0x%lx, size: 0x%lx \n",
+			 ownerStr[ownerIndex], block->offset, block->size);
 	}
+#endif
 }
 
 void xgi_pcie_heap_cleanup(struct xgi_info * info)