This fixes bitwise arithmetic performed on the host on a variable
previously converted to little-endian, and subsequently converted
again to little-endian:
- issue_action_BA23a() called with "status" crafted in host byte order
- "status" converted to LE
- bitwise arithmetic on the (LE) "status", performed with masks and
shifts in host byte order
- result converted to LE (again) and stored in device structure
Sparse warning addressed by this patch:
drivers/staging/rtl8723au/core/rtw_mlme_ext.c:3806:16: warning: incorrect type in assignment (different base types)
drivers/staging/rtl8723au/core/rtw_mlme_ext.c:3806:16: expected unsigned short [unsigned] status
drivers/staging/rtl8723au/core/rtw_mlme_ext.c:3806:16: got restricted __le16 [usertype] <noident>
Additional notes: initial cpu_to_le16 was introduced by kernel bulk
commit 5e93f3520 "staging: r8723au: Add source files for new driver
- part 1", initially from github according to commit description. On
github, this traces back to another bulk commit: 2896bda04353 "Add
new files in core directory", which is the 1st version of the
driver.
Signed-off-by: David Decotigny <ddecotig@xxxxxxxxx>
---
drivers/staging/rtl8723au/core/rtw_mlme_ext.c | 2 --
1 file changed, 2 deletions(-)
diff --git a/drivers/staging/rtl8723au/core/rtw_mlme_ext.c b/drivers/staging/rtl8723au/core/rtw_mlme_ext.c
index 196beaf..7c3b5dd 100644
--- a/drivers/staging/rtl8723au/core/rtw_mlme_ext.c
+++ b/drivers/staging/rtl8723au/core/rtw_mlme_ext.c
@@ -3803,8 +3803,6 @@ void issue_action_BA23a(struct rtw_adapter *padapter,
pattrib->pktlen = sizeof(struct ieee80211_hdr_3addr) + 1;
- status = cpu_to_le16(status);
-
switch (action) {
case WLAN_ACTION_ADDBA_REQ:
pattrib->pktlen += sizeof(mgmt->u.action.u.addba_req);
--
2.2.0.rc0.207.ga3a616c
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