diff options
Diffstat (limited to 'module/zfs/abd.c')
| -rw-r--r-- | module/zfs/abd.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/module/zfs/abd.c b/module/zfs/abd.c index 6018a42ca..68d4aa5f5 100644 --- a/module/zfs/abd.c +++ b/module/zfs/abd.c @@ -781,16 +781,17 @@ int abd_iterate_func(abd_t *abd, size_t off, size_t size, abd_iter_func_t *func, void *private) { - int ret = 0; struct abd_iter aiter; - boolean_t abd_multi; - abd_t *c_abd; + int ret = 0; + + if (size == 0) + return (0); abd_verify(abd); ASSERT3U(off + size, <=, abd->abd_size); - abd_multi = abd_is_gang(abd); - c_abd = abd_init_abd_iter(abd, &aiter, off); + boolean_t abd_multi = abd_is_gang(abd); + abd_t *c_abd = abd_init_abd_iter(abd, &aiter, off); while (size > 0) { /* If we are at the end of the gang ABD we are done */ @@ -920,6 +921,9 @@ abd_iterate_func2(abd_t *dabd, abd_t *sabd, size_t doff, size_t soff, boolean_t dabd_is_gang_abd, sabd_is_gang_abd; abd_t *c_dabd, *c_sabd; + if (size == 0) + return (0); + abd_verify(dabd); abd_verify(sabd); |