diff options
| author | Lennert Buytenhek <buytenh@wantstofly.org> | 2009-11-30 18:14:23 +0100 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2009-12-07 16:51:23 -0500 |
| commit | 16cec43da50c4b4702653ca710549fd3457a4e6c (patch) | |
| tree | e94a8291b1b3cd71659e3fd4ed1825b30ae17837 | |
| parent | d1844d77692de3158ad458ed4c7b86d78ab4085e (diff) | |
| download | kernel_samsung_tuna-16cec43da50c4b4702653ca710549fd3457a4e6c.zip kernel_samsung_tuna-16cec43da50c4b4702653ca710549fd3457a4e6c.tar.gz kernel_samsung_tuna-16cec43da50c4b4702653ca710549fd3457a4e6c.tar.bz2 | |
mwl8k: don't complain about oversized beacons in FINALIZE_JOIN
The FINALIZE_JOIN firmware command only looks at the first couple of
fields in the beacon, and therefore it's not necessary to complain if
the beacon is longer than 128 bytes.
Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
| -rw-r--r-- | drivers/net/wireless/mwl8k.c | 29 |
1 files changed, 8 insertions, 21 deletions
diff --git a/drivers/net/wireless/mwl8k.c b/drivers/net/wireless/mwl8k.c index ea1173f..59d4915 100644 --- a/drivers/net/wireless/mwl8k.c +++ b/drivers/net/wireless/mwl8k.c @@ -2469,8 +2469,6 @@ mwl8k_set_edca_params(struct ieee80211_hw *hw, __u8 qnum, /* * CMD_FINALIZE_JOIN. */ - -/* FJ beacon buffer size is compiled into the firmware. */ #define MWL8K_FJ_BEACON_MAXLEN 128 struct mwl8k_cmd_finalize_join { @@ -2480,17 +2478,13 @@ struct mwl8k_cmd_finalize_join { } __attribute__((packed)); static int mwl8k_finalize_join(struct ieee80211_hw *hw, void *frame, - __u16 framelen, __u16 dtim) + int framelen, int dtim) { struct mwl8k_cmd_finalize_join *cmd; struct ieee80211_mgmt *payload = frame; - u16 hdrlen; - u32 payload_len; + int payload_len; int rc; - if (frame == NULL) - return -EINVAL; - cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); if (cmd == NULL) return -ENOMEM; @@ -2499,24 +2493,17 @@ static int mwl8k_finalize_join(struct ieee80211_hw *hw, void *frame, cmd->header.length = cpu_to_le16(sizeof(*cmd)); cmd->sleep_interval = cpu_to_le32(dtim ? dtim : 1); - hdrlen = ieee80211_hdrlen(payload->frame_control); - - payload_len = framelen > hdrlen ? framelen - hdrlen : 0; - - /* XXX TBD Might just have to abort and return an error */ - if (payload_len > MWL8K_FJ_BEACON_MAXLEN) - printk(KERN_ERR "%s(): WARNING: Incomplete beacon " - "sent to firmware. Sz=%u MAX=%u\n", __func__, - payload_len, MWL8K_FJ_BEACON_MAXLEN); - - if (payload_len > MWL8K_FJ_BEACON_MAXLEN) + payload_len = framelen - ieee80211_hdrlen(payload->frame_control); + if (payload_len < 0) + payload_len = 0; + else if (payload_len > MWL8K_FJ_BEACON_MAXLEN) payload_len = MWL8K_FJ_BEACON_MAXLEN; - if (payload && payload_len) - memcpy(cmd->beacon_data, &payload->u.beacon, payload_len); + memcpy(cmd->beacon_data, &payload->u.beacon, payload_len); rc = mwl8k_post_cmd(hw, &cmd->header); kfree(cmd); + return rc; } |