> -----Original Message----- > From: Zhang Shurong <zhang_shurong@xxxxxxxxxxx> > Sent: Wednesday, July 5, 2023 12:55 AM > To: Ping-Ke Shih <pkshih@xxxxxxxxxxx> > Cc: kvalo@xxxxxxxxxx; linux-wireless@xxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx; Zhang Shurong > <zhang_shurong@xxxxxxxxxxx> > Subject: [PATCH v2] wifi: rtw89: debug: fix error code in rtw89_debug_priv_send_h2c_set() > > If there is a failure during rtw89_fw_h2c_raw() rtw89_debug_priv_send_h2c > should return negative error code instead of a positive value count. > > Fix this bug by returning correct error code. > > The changes in this version: > - fix some compile error As Larry mentioned, this should be added after delimiter '---'. > > Signed-off-by: Zhang Shurong <zhang_shurong@xxxxxxxxxxx> > > update Also, remove this 'update'. > --- > drivers/net/wireless/realtek/rtw89/debug.c | 5 +++-- > 1 file changed, 3 insertions(+), 2 deletions(-) > > diff --git a/drivers/net/wireless/realtek/rtw89/debug.c b/drivers/net/wireless/realtek/rtw89/debug.c > index 1db2d59d33ff..a679f79b85ec 100644 > --- a/drivers/net/wireless/realtek/rtw89/debug.c > +++ b/drivers/net/wireless/realtek/rtw89/debug.c > @@ -3026,17 +3026,18 @@ static ssize_t rtw89_debug_priv_send_h2c_set(struct file *filp, > struct rtw89_debugfs_priv *debugfs_priv = filp->private_data; > struct rtw89_dev *rtwdev = debugfs_priv->rtwdev; Move 'int err = 0' here in reverse X'mas tree order, and use 'int ret = 0' instead, so people don't need to guess if there is special meaning of 'err', which is just a regular error code. > u8 *h2c; > + int err = 0; > u16 h2c_len = count / 2; > > h2c = rtw89_hex2bin_user(rtwdev, user_buf, count); > if (IS_ERR(h2c)) > return -EFAULT; > > - rtw89_fw_h2c_raw(rtwdev, h2c, h2c_len); > + err = rtw89_fw_h2c_raw(rtwdev, h2c, h2c_len); > > kfree(h2c); > > - return count; > + return err ? err : count; > } > > static int > -- > 2.41.0