tree 802c2703cfc1bb4230b52d0f56277e6a3df98ab8
parent 02f7f1793023bd8e5e277ad349f6f43f8c284fb0
author Vasanthakumar Thiagarajan <vasanth@atheros.com> 1259928694 +0530
committer John W. Linville <linville@tuxdriver.com> 1260222684 -0500

mac80211: Fix bug in computing crc over dynamic IEs in beacon

On a 32-bit machine, BIT() macro does not give the required
bit value if the bit is mroe than 31. In ieee802_11_parse_elems_crc(),
BIT() is suppossed to get the bit value more than 31 (42 (id of ERP_INFO_IE),
37 (CHANNEL_SWITCH_IE), (42), 32 (POWER_CONSTRAINT_IE), 45 (HT_CAP_IE),
61 (HT_INFO_IE)). As we do not get the required bit value for the above
IEs, crc over these IEs are never calculated, so any dynamic change in these
IEs after the association is not really handled on 32-bit platforms.
This patch fixes this issue.

Cc: stable@kernel.org
Signed-off-by: Vasanthakumar Thiagarajan <vasanth@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>