This is a note to let you know that I've just added the patch titled
wifi: virt_wifi: don't use strlen() in const context
to the 5.10-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
wifi-virt_wifi-don-t-use-strlen-in-const-context.patch
and it can be found in the queue-5.10 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 7f6817d824beb179e008b680f4d8530ce598450e
Author: Johannes Berg <johannes.berg@xxxxxxxxx>
Date: Tue Jul 9 08:34:09 2024 +0200
wifi: virt_wifi: don't use strlen() in const context
[ Upstream commit 6e909f489191b365364e9d636dec33b5dfd4e5eb ]
Looks like not all compilers allow strlen(constant) as
a constant, so don't do that. Instead, revert back to
defining the length as the first submission had it.
Fixes: b5d14b0c6716 ("wifi: virt_wifi: avoid reporting connection success with wrong SSID")
Reported-by: kernel test robot <lkp@xxxxxxxxx>
Closes: https://lore.kernel.org/oe-kbuild-all/202407090934.NnR1TUbW-lkp@xxxxxxxxx/
Closes: https://lore.kernel.org/oe-kbuild-all/202407090944.mpwLHGt9-lkp@xxxxxxxxx/
Signed-off-by: Johannes Berg <johannes.berg@xxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/net/wireless/virt_wifi.c b/drivers/net/wireless/virt_wifi.c
index ec730bc44adc1..dd6675436bda6 100644
--- a/drivers/net/wireless/virt_wifi.c
+++ b/drivers/net/wireless/virt_wifi.c
@@ -137,6 +137,7 @@ static struct ieee80211_supported_band band_5ghz = {
static u8 fake_router_bssid[ETH_ALEN] __ro_after_init = {};
#define VIRT_WIFI_SSID "VirtWifi"
+#define VIRT_WIFI_SSID_LEN 8
static void virt_wifi_inform_bss(struct wiphy *wiphy)
{
@@ -148,7 +149,7 @@ static void virt_wifi_inform_bss(struct wiphy *wiphy)
u8 ssid[8];
} __packed ssid = {
.tag = WLAN_EID_SSID,
- .len = strlen(VIRT_WIFI_SSID),
+ .len = VIRT_WIFI_SSID_LEN,
.ssid = VIRT_WIFI_SSID,
};
@@ -262,7 +263,7 @@ static void virt_wifi_connect_complete(struct work_struct *work)
container_of(work, struct virt_wifi_netdev_priv, connect.work);
u8 *requested_bss = priv->connect_requested_bss;
bool right_addr = ether_addr_equal(requested_bss, fake_router_bssid);
- bool right_ssid = priv->connect_requested_ssid_len == strlen(VIRT_WIFI_SSID) &&
+ bool right_ssid = priv->connect_requested_ssid_len == VIRT_WIFI_SSID_LEN &&
!memcmp(priv->connect_requested_ssid, VIRT_WIFI_SSID,
priv->connect_requested_ssid_len);
u16 status = WLAN_STATUS_SUCCESS;
