> -----Original Message----- > From: Zhang Shurong <zhang_shurong@xxxxxxxxxxx> > Sent: Thursday, April 27, 2023 1:02 AM > To: Ping-Ke Shih <pkshih@xxxxxxxxxxx> > Cc: tony0620emma@xxxxxxxxx; kvalo@xxxxxxxxxx; davem@xxxxxxxxxxxxx; edumazet@xxxxxxxxxx; kuba@xxxxxxxxxx; > pabeni@xxxxxxxxxx; linux-wireless@xxxxxxxxxxxxxxx; netdev@xxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx; > Zhang Shurong <zhang_shurong@xxxxxxxxxxx> > Subject: [PATCH v3 1/2] wifi: rtw88: fix incorrect error codes in rtw_debugfs_copy_from_user > > If there is a failure during copy_from_user or user-provided data > buffer is invalid, rtw_debugfs_copy_from_user should return negative > error code instead of a positive value count. > > Fix this bug by returning correct error code. Moreover, the check > of buffer against null is removed since it will be handled by > copy_from_user. > > Signed-off-by: Zhang Shurong <zhang_shurong@xxxxxxxxxxx> Reviewed-by: Ping-Ke Shih <pkshih@xxxxxxxxxxx> [...]
