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brcmfmac: fix unaligned access in TXSTATUS signal handling 

reported by Hante. Needs to be squashed in commit 187fbcec.

Reviewed-by: Hante Meuleman <meuleman@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Arend van Spriel 2013-04-05 10:57:39 +02:00 committed by John W. Linville
parent 2716fd7d45
commit a2ffc5668e
1 changed files with 3 additions and 1 deletions
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4
drivers/net/wireless/brcm80211/brcmfmac/fwsignal.c
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@ -1181,13 +1181,15 @@ static int brcmf_fws_fifocreditback_indicate(struct brcmf_fws_info *fws,
static int brcmf_fws_txstatus_indicate(struct brcmf_fws_info *fws, u8 *data)
{
__le32 status_le;
u32 status;
u32 hslot;
u32 genbit;
u8 flags;
fws->stats.txs_indicate++;
status = le32_to_cpu(*(__le32 *)data);
memcpy(&status_le, data, sizeof(status_le));
status = le32_to_cpu(status_le);
flags = brcmf_txstatus_get_field(status, FLAGS);
hslot = brcmf_txstatus_get_field(status, HSLOT);
genbit = brcmf_txstatus_get_field(status, GENERATION);