On Saturday 17 March 2007 18:09, Andy Green wrote: > Yeah naturally it was my first move to use what was there, but the > result was a panic that went away when I moved the skb to belong to the > "master" interface's index and separately persistently tagged the packet > as being injected. > I don't see anything that would prevent this from working.. if you have a patch which does this and crashes, I'll take a look at it. > Is it safe against race problems on interface removal to consider to > look up against the interface index at actual send time? > Yes. dev_get_by_index in ieee80211_master_start_xmit calls dev_hold. When it is done, dev_put is called. The headroom reservation code looks suspicious though.. it doesn't call dev_put if it fails. Fortunately, this is unlikely to happen. Thanks, -Michael Wu
Attachment:
pgpGebvvKOqwj.pgp
Description: PGP signature
