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Re: [RFC] wireless: ti: Can we just remove this flexible array?

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On 3/19/24 16:54, Jeff Johnson wrote:
On 3/19/2024 2:59 PM, Gustavo A. R. Silva wrote:
Hi!

`struct wl1271_cmd_header` is currently embedded in multiple other
structs, and it's causing many `-Wflex-array-member-not-at-end` warnings.

Has this flexible-array member been used in the past or is it intended
for future use?

Otherwise, I think we could just remove it.

diff --git a/drivers/net/wireless/ti/wlcore/cmd.h b/drivers/net/wireless/ti/wlcore/cmd.h
index f2609d5b6bf7..4c2f2608ef3b 100644
--- a/drivers/net/wireless/ti/wlcore/cmd.h
+++ b/drivers/net/wireless/ti/wlcore/cmd.h
@@ -208,8 +208,6 @@ enum cmd_templ {
   struct wl1271_cmd_header {
          __le16 id;
          __le16 status;
-       /* payload */
-       u8 data[];
   } __packed;

I'd think you should just remove it


Yep, I think I'm actually going to remove a few more:

diff --git a/drivers/net/wireless/ti/wl1251/cmd.h b/drivers/net/wireless/ti/wl1251/cmd.h
index e5874186f9d7..39159201b97e 100644
--- a/drivers/net/wireless/ti/wl1251/cmd.h
+++ b/drivers/net/wireless/ti/wl1251/cmd.h
@@ -89,8 +89,6 @@ enum wl1251_commands {
 struct wl1251_cmd_header {
        u16 id;
        u16 status;
-       /* payload */
-       u8 data[];
 } __packed;

 struct  wl1251_command {
diff --git a/drivers/net/wireless/ti/wl1251/wl12xx_80211.h b/drivers/net/wireless/ti/wl1251/wl12xx_80211.h
index 7e28fe435b43..3d5b0df5b231 100644
--- a/drivers/net/wireless/ti/wl1251/wl12xx_80211.h
+++ b/drivers/net/wireless/ti/wl1251/wl12xx_80211.h
@@ -65,7 +65,6 @@ struct ieee80211_header {
        u8 sa[ETH_ALEN];
        u8 bssid[ETH_ALEN];
        __le16 seq_ctl;
-       u8 payload[];
 } __packed;

 struct wl12xx_ie_header {
diff --git a/drivers/net/wireless/ti/wlcore/cmd.h b/drivers/net/wireless/ti/wlcore/cmd.h
index f2609d5b6bf7..4c2f2608ef3b 100644
--- a/drivers/net/wireless/ti/wlcore/cmd.h
+++ b/drivers/net/wireless/ti/wlcore/cmd.h
@@ -208,8 +208,6 @@ enum cmd_templ {
 struct wl1271_cmd_header {
        __le16 id;
        __le16 status;
-       /* payload */
-       u8 data[];
 } __packed;

 #define WL1271_CMD_MAX_PARAMS 572
diff --git a/drivers/net/wireless/ti/wlcore/wl12xx_80211.h b/drivers/net/wireless/ti/wlcore/wl12xx_80211.h
index 1dd7ecc11f86..602915c4da26 100644
--- a/drivers/net/wireless/ti/wlcore/wl12xx_80211.h
+++ b/drivers/net/wireless/ti/wlcore/wl12xx_80211.h
@@ -66,7 +66,6 @@ struct ieee80211_header {
        u8 sa[ETH_ALEN];
        u8 bssid[ETH_ALEN];
        __le16 seq_ctl;
-       u8 payload[];
 } __packed;

 struct wl12xx_ie_header {

--
Gustavo




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