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[01/16] brcmfmac: fix unaligned access in TXSTATUS signal handling

Message ID 1365152274-4252-2-git-send-email-arend@broadcom.com (mailing list archive)
State Not Applicable, archived
Headers show

Commit Message

Arend van Spriel April 5, 2013, 8:57 a.m. UTC 
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>
---
 drivers/net/wireless/brcm80211/brcmfmac/fwsignal.c |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)
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Patch

diff --git a/drivers/net/wireless/brcm80211/brcmfmac/fwsignal.c b/drivers/net/wireless/brcm80211/brcmfmac/fwsignal.c
index 8ce79af..451cfc1 100644
--- a/drivers/net/wireless/brcm80211/brcmfmac/fwsignal.c
+++ b/drivers/net/wireless/brcm80211/brcmfmac/fwsignal.c
@@ -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);