diff options
Diffstat (limited to 'drivers/dibs/dibs_loopback.c')
| -rw-r--r-- | drivers/dibs/dibs_loopback.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/dibs/dibs_loopback.c b/drivers/dibs/dibs_loopback.c index ec3b48cb0e87..0f2e09311152 100644 --- a/drivers/dibs/dibs_loopback.c +++ b/drivers/dibs/dibs_loopback.c @@ -254,6 +254,11 @@ static int dibs_lo_move_data(struct dibs_dev *dibs, u64 dmb_tok, read_unlock_bh(&ldev->dmb_ht_lock); return -EINVAL; } + if ((u64)offset + size > rmb_node->len) { + read_unlock_bh(&ldev->dmb_ht_lock); + return -EINVAL; + } + memcpy((char *)rmb_node->cpu_addr + offset, data, size); sba_idx = rmb_node->sba_idx; read_unlock_bh(&ldev->dmb_ht_lock); |