diff options
Diffstat (limited to 'drivers/staging')
| -rw-r--r-- | drivers/staging/unisys/visornic/visornic_main.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/drivers/staging/unisys/visornic/visornic_main.c b/drivers/staging/unisys/visornic/visornic_main.c index 1a0efe25f929..f7363925f4a1 100644 --- a/drivers/staging/unisys/visornic/visornic_main.c +++ b/drivers/staging/unisys/visornic/visornic_main.c @@ -254,8 +254,16 @@ visor_copy_fragsinfo_from_skb(struct sk_buff *skb, unsigned int firstfraglen, page_offset, skb_shinfo(skb)->frags[ii]. size, count, frags_max, frags); - if (!count) - return -EIO; + /* + * add_physinfo_entries only returns + * zero if the frags array is out of room + * That should never happen because we + * fail above, if count+numfrags > frags_max. + * Given that theres no recovery mechanism from putting + * half a packet in the I/O channel, panic here as this + * should never happen + */ + BUG_ON(!count); } } if (skb_shinfo(skb)->frag_list) { |