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mac80211: Fix invalid length passed to IE parser for PLINK CONFIRM frames 

The length of the fixed portion of plink confirm frames is 4 bytes longer than
the other plink_action frames.  This path corrects an error in the length
adjustment done for these type of frames.

Signed-off-by: Javier Cardona <javier@cozybit.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
David Woo 2009-08-12 11:03:44 -07:00 committed by John W. Linville
parent 57ef5ddb45
commit 70bdb6b275
1 changed files with 1 additions and 1 deletions
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2
net/mac80211/mesh_plink.c
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@ -409,7 +409,7 @@ void mesh_rx_plink_frame(struct ieee80211_sub_if_data *sdata, struct ieee80211_m
baselen = (u8 *) mgmt->u.action.u.plink_action.variable - (u8 *) mgmt; baselen = (u8 *) mgmt->u.action.u.plink_action.variable - (u8 *) mgmt;
if (mgmt->u.action.u.plink_action.action_code == PLINK_CONFIRM) { if (mgmt->u.action.u.plink_action.action_code == PLINK_CONFIRM) {
baseaddr += 4; baseaddr += 4;
baselen -= 4; baselen += 4;
} }
ieee802_11_parse_elems(baseaddr, len - baselen, &elems); ieee802_11_parse_elems(baseaddr, len - baselen, &elems);
if (!elems.peer_link) { if (!elems.peer_link) {