lmalloc: set errno on failure

The core function can't set the com32 errno, so we need to do it in
the wrapper.

Signed-off-by: H. Peter Anvin <hpa@zytor.com>

1 files changed, 6 insertions, 1 deletions

diff --git a/com32/lib/lmalloc.c b/com32/lib/lmalloc.c
index a73817ed..cbd39a37 100644
--- a/com32/lib/lmalloc.c
+++ b/com32/lib/lmalloc.c
@@ -26,12 +26,17 @@
  * ----------------------------------------------------------------------- */
 
 #include <com32.h>
+#include <errno.h>
 #include <stdlib.h>
 #include <syslinux/pmapi.h>
 
 void *lmalloc(size_t size)
 {
-    return __com32.cs_pm->lmalloc(size);
+    void *p;
+    p = __com32.cs_pm->lmalloc(size);
+    if (!p)
+	errno = ENOMEM;
+    return p;
 }
 
 void lfree(void *ptr)