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-rw-r--r--src/vppinfra/hash.c18
1 files changed, 9 insertions, 9 deletions
diff --git a/src/vppinfra/hash.c b/src/vppinfra/hash.c
index 220c16989de..da37b6e88a7 100644
--- a/src/vppinfra/hash.c
+++ b/src/vppinfra/hash.c
@@ -548,6 +548,7 @@ lookup (void *v, uword key, enum lookup_opcode op,
hash_t *h = hash_header (v);
hash_pair_union_t *p = 0;
uword found_key = 0;
+ uword value_bytes;
uword i;
if (!v)
@@ -555,6 +556,7 @@ lookup (void *v, uword key, enum lookup_opcode op,
i = key_sum (h, key) & (_vec_len (v) - 1);
p = get_pair (v, i);
+ value_bytes = hash_value_bytes (h);
if (hash_is_user (v, i))
{
@@ -564,9 +566,8 @@ lookup (void *v, uword key, enum lookup_opcode op,
if (op == UNSET)
{
set_is_user (v, i, 0);
- if (old_value)
- clib_memcpy_fast (old_value, p->direct.value,
- hash_value_bytes (h));
+ if (old_value && value_bytes)
+ clib_memcpy_fast (old_value, p->direct.value, value_bytes);
zero_pair (h, &p->direct);
}
}
@@ -598,9 +599,8 @@ lookup (void *v, uword key, enum lookup_opcode op,
found_key = p != 0;
if (found_key && op == UNSET)
{
- if (old_value)
- clib_memcpy_fast (old_value, &p->direct.value,
- hash_value_bytes (h));
+ if (old_value && value_bytes)
+ clib_memcpy_fast (old_value, &p->direct.value, value_bytes);
unset_indirect (v, i, &p->direct);
@@ -611,12 +611,12 @@ lookup (void *v, uword key, enum lookup_opcode op,
}
}
- if (op == SET && p != 0)
+ if (op == SET && p != 0 && value_bytes)
{
/* Save away old value for caller. */
if (old_value && found_key)
- clib_memcpy_fast (old_value, &p->direct.value, hash_value_bytes (h));
- clib_memcpy_fast (&p->direct.value, new_value, hash_value_bytes (h));
+ clib_memcpy_fast (old_value, &p->direct.value, value_bytes);
+ clib_memcpy_fast (&p->direct.value, new_value, value_bytes);
}
if (op == SET)