diff options
Diffstat (limited to 'src/rt/rust_upcall.cpp')
| -rw-r--r-- | src/rt/rust_upcall.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/rt/rust_upcall.cpp b/src/rt/rust_upcall.cpp index d04de59a4df..ac99f501f25 100644 --- a/src/rt/rust_upcall.cpp +++ b/src/rt/rust_upcall.cpp @@ -430,7 +430,7 @@ upcall_dynastack_mark(rust_task *task) { /** Allocates space in the dynamic stack and returns it. */ extern "C" CDECL void * upcall_dynastack_alloc(rust_task *task, size_t sz) { - return task->dynastack.alloc(sz); + return sz ? task->dynastack.alloc(sz) : NULL; } /** Frees space in the dynamic stack. */ |