Update to musl 1.2.2.

[wasi-libc.git] / libc-top-half / musl / src / malloc / mallocng / malloc_usable_size.c

diff --git a/libc-top-half/musl/src/malloc/mallocng/malloc_usable_size.c b/libc-top-half/musl/src/malloc/mallocng/malloc_usable_size.c
index a440a4eab2d39172d6e0358a2aec34b98e21aba3..ce6a960c6f5835d5fd7f16818a139e5d9991edb4 100644 (file)
--- a/libc-top-half/musl/src/malloc/mallocng/malloc_usable_size.c
+++ b/libc-top-half/musl/src/malloc/mallocng/malloc_usable_size.c
@@ -3,6 +3,7 @@
 
 size_t malloc_usable_size(void *p)
 {
+       if (!p) return 0;
        struct meta *g = get_meta(p);
        int idx = get_slot_index(p);
        size_t stride = get_stride(g);