diff options
| -rw-r--r-- | source3/locking/locking.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/source3/locking/locking.c b/source3/locking/locking.c index 42036cc70c..2a27d7d4cd 100644 --- a/source3/locking/locking.c +++ b/source3/locking/locking.c @@ -454,8 +454,10 @@ int get_share_modes(connection_struct *conn, i++; } else { DEBUG(10,("get_share_modes: deleted %s\n", share_mode_str(i, entry_p) )); - memcpy( &shares[i], &shares[i+1], - sizeof(share_mode_entry) * (num_share_modes - i - 1)); + if (num_share_modes - i - 1 > 0) { + memcpy( &shares[i], &shares[i+1], + sizeof(share_mode_entry) * (num_share_modes - i - 1)); + } num_share_modes--; del_count++; } @@ -575,8 +577,10 @@ ssize_t del_share_entry( SMB_DEV_T dev, SMB_INO_T inode, if (ppse) *ppse = memdup(&shares[i], sizeof(*shares)); data->u.num_share_mode_entries--; - memmove(&shares[i], &shares[i+1], - dbuf.dsize - (sizeof(*data) + (i+1)*sizeof(*shares))); + if ((dbuf.dsize - (sizeof(*data) + (i+1)*sizeof(*shares))) > 0) { + memmove(&shares[i], &shares[i+1], + dbuf.dsize - (sizeof(*data) + (i+1)*sizeof(*shares))); + } del_count++; DEBUG(10,("del_share_entry: deleting entry %d\n", i )); |