registry: fix zero byte allocation

Pasto in code results in 0 bytes (instead of length bytes) being allocated
when the length of the key exceeds the static buffer.

2 files changed, 3 insertions, 3 deletions

diff --git a/lib/erl_interface/src/registry/reg_dump.c b/lib/erl_interface/src/registry/reg_dump.c
index 50a6949177..dfec96b43c 100644
--- a/lib/erl_interface/src/registry/reg_dump.c
+++ b/lib/erl_interface/src/registry/reg_dump.c
@@ -157,7 +157,7 @@ static int mn_send_delete(int fd, erlang_pid *mnesia, const char *key)
   int len = strlen(key) + 32; /* 32 is a slight overestimate */
 
   if (len > EISMALLBUF)
-    if (!(dbuf = malloc(index)))
+    if (!(dbuf = malloc(len)))
       return -1;
   msgbuf = (dbuf ? dbuf : sbuf);
 
@@ -187,7 +187,7 @@ static int mn_send_write(int fd, erlang_pid *mnesia, const char *key, ei_reg_obj
   int len = 32 + keylen + obj->size;
 
   if (len > EISMALLBUF)
-    if (!(dbuf = malloc(index)))
+    if (!(dbuf = malloc(len)))
       return -1;
   msgbuf = (dbuf ? dbuf : sbuf);
 
diff --git a/lib/erl_interface/src/registry/reg_restore.c b/lib/erl_interface/src/registry/reg_restore.c
index 27918d2364..aeb33c784a 100644
--- a/lib/erl_interface/src/registry/reg_restore.c
+++ b/lib/erl_interface/src/registry/reg_restore.c
@@ -266,7 +266,7 @@ int ei_reg_restore(int fd, ei_reg *reg, const char *mntab)
   /* make sure receive buffer can handle largest expected message */
   len = maxkey + maxobj + 512; 
   if (len > EISMALLBUF)
-    if (!(dbuf = malloc(index))) {
+    if (!(dbuf = malloc(len))) {
       ei_send_exit(fd,&self,&mnesia,"cannot allocate space for incoming data");
       return -1;
     }