diff options
Diffstat (limited to 'src/vppinfra/interrupt.h')
| -rw-r--r-- | src/vppinfra/interrupt.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/vppinfra/interrupt.h b/src/vppinfra/interrupt.h index 393574b076b..5c39b2183f8 100644 --- a/src/vppinfra/interrupt.h +++ b/src/vppinfra/interrupt.h @@ -110,6 +110,8 @@ clib_interrupt_get_next (void *in, int last) ASSERT (last >= -1 && last < h->n_int); off = (last + 1) >> log2_uword_bits; + if (off > h->n_int >> log2_uword_bits || off >= h->n_uword_alloc) + return -1; last -= off << log2_uword_bits; bmp[off] |= __atomic_exchange_n (abm + off, 0, __ATOMIC_SEQ_CST); @@ -121,7 +123,7 @@ next: off++; - if (off > h->n_int >> log2_uword_bits) + if (off > h->n_int >> log2_uword_bits || off >= h->n_uword_alloc) return -1; bmp[off] |= __atomic_exchange_n (abm + off, 0, __ATOMIC_SEQ_CST); |