This is a note to let you know that I've just added the patch titled
wifi: mt76: mt7996: fix integer handling issue of mt7996_rf_regval_set()
to the 6.2-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-mt76-mt7996-fix-integer-handling-issue-of-mt799.patch
and it can be found in the queue-6.2 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 971979ec27061a007a0babafc75d9bc7163b0aa8
Author: Ryder Lee <ryder.lee@xxxxxxxxxxxx>
Date: Sat Dec 3 11:22:25 2022 +0800
wifi: mt76: mt7996: fix integer handling issue of mt7996_rf_regval_set()
[ Upstream commit aab169ad3a7aa8678aed90d7fdbc243e3d4b32a6 ]
This code is supposed to set a u32 value, but casting will not work on
big endian systems.
Reported-by: coverity-bot <keescook+coverity-bot@xxxxxxxxxxxx>
Addresses-Coverity-ID: 1527816 ("Integer handling issues")
Fixes: 98686cd21624 ("wifi: mt76: mt7996: add driver for MediaTek Wi-Fi 7 (802.11be) devices")
Signed-off-by: Ryder Lee <ryder.lee@xxxxxxxxxxxx>
Signed-off-by: Felix Fietkau <nbd@xxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/net/wireless/mediatek/mt76/mt7996/debugfs.c b/drivers/net/wireless/mediatek/mt76/mt7996/debugfs.c
index 2e4a8909b9e80..99b23aef53a50 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7996/debugfs.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7996/debugfs.c
@@ -653,8 +653,9 @@ static int
mt7996_rf_regval_set(void *data, u64 val)
{
struct mt7996_dev *dev = data;
+ u32 val32 = val;
- return mt7996_mcu_rf_regval(dev, dev->mt76.debugfs_reg, (u32 *)&val, true);
+ return mt7996_mcu_rf_regval(dev, dev->mt76.debugfs_reg, &val32, true);
}
DEFINE_DEBUGFS_ATTRIBUTE(fops_rf_regval, mt7996_rf_regval_get,
