Be a bit more correct: set errno to ENOMEM if we fail to allocate

memory.

1 files changed, 6 insertions, 4 deletions

diff --git a/free.c b/free.c
index 627e53f..f38f1db 100644
--- a/free.c
+++ b/free.c
@@ -148,8 +148,10 @@ void lpsm_free_slab(void *ptr)
 void lpsm_free(void *ptr)
 {
   /* Buddy allocations are ALWAYS page-aligned, SLAB allocations never */
-  if ( (uintptr_t)ptr & (BUDDY_SIZE_MIN-1) )
-    lpsm_free_slab(ptr);
-  else
-    lpsm_free_buddy(ptr);
+  if ( ptr ) {
+    if ( (uintptr_t)ptr & (BUDDY_SIZE_MIN-1) )
+      lpsm_free_slab(ptr);
+    else
+      lpsm_free_buddy(ptr);
+  }
 }