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authorToomas Soome <tsoome@FreeBSD.org>2019-09-17 09:47:35 +0000
committerToomas Soome <tsoome@FreeBSD.org>2019-09-17 09:47:35 +0000
commit144c4ca0398fc9cb2c7e602baba7009871ef8ce8 (patch)
tree2b8329eb30a482f361d8c6ae441df8bab839bcbd /stand/libsa/zalloc_malloc.c
parent3c193115440ea21d7811c20326488be4346ed4a2 (diff)
Notes
Diffstat (limited to 'stand/libsa/zalloc_malloc.c')
-rw-r--r--stand/libsa/zalloc_malloc.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/stand/libsa/zalloc_malloc.c b/stand/libsa/zalloc_malloc.c
index 2cc14d80641d..f0eddb123178 100644
--- a/stand/libsa/zalloc_malloc.c
+++ b/stand/libsa/zalloc_malloc.c
@@ -156,7 +156,9 @@ Realloc(void *ptr, size_t size, const char *file, int line)
if ((res = Malloc(size, file, line)) != NULL) {
if (ptr) {
- old = *(size_t *)((char *)ptr - MALLOCALIGN) - MALLOCALIGN;
+ Guard *g = (Guard *)((char *)ptr - MALLOCALIGN);
+
+ old = g->ga_Bytes - MALLOCALIGN;
if (old < size)
bcopy(ptr, res, old);
else