move buflib_free invalid handle check to the function

allow buflib_free to check for invalid or already freed handles
within the function -- remove all the invalid handle guards thru core_free

Change-Id: Ibdcbc82760fc93b674c42283fca420d94907df8e

2 files changed, 2 insertions, 8 deletions

diff --git a/lib/x1000-installer/src/xf_nandio.c b/lib/x1000-installer/src/xf_nandio.c
index 29ff9d9120..6dc87bc420 100644
--- a/lib/x1000-installer/src/xf_nandio.c
+++ b/lib/x1000-installer/src/xf_nandio.c
@@ -75,10 +75,7 @@ int xf_nandio_init(struct xf_nandio* nio)
 
 void xf_nandio_destroy(struct xf_nandio* nio)
 {
-    if(nio->alloc_handle > 0) {
-        core_free(nio->alloc_handle);
-        nio->alloc_handle = 0;
-    }
+    nio->alloc_handle = core_free(nio->alloc_handle);
 
     if(nio->ndrv) {
         nand_lock(nio->ndrv);
diff --git a/lib/x1000-installer/src/xf_package.c b/lib/x1000-installer/src/xf_package.c
index 04b32cdcb0..fb107aef72 100644
--- a/lib/x1000-installer/src/xf_package.c
+++ b/lib/x1000-installer/src/xf_package.c
@@ -257,8 +257,5 @@ void xf_package_close(struct xf_package* pkg)
     if(mtar_is_open(pkg->tar))
         mtar_close(pkg->tar);
 
-    if(pkg->alloc_handle > 0) {
-        core_free(pkg->alloc_handle);
-        pkg->alloc_handle = 0;
-    }
+    pkg->alloc_handle = core_free(pkg->alloc_handle);
 }