staging: rtl8192e: Fix smatch error in r8192E_phy.c

Smatch reports the following:

  CHECK   drivers/staging/rtl8192e/r8192E_phy.c
drivers/staging/rtl8192e/r8192E_phy.c +940 rtl8192_phy_SwChnlStepByStep(92) error: potential null derefence 'CurrentCmd'.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Larry Finger 2011-09-01 12:23:19 -05:00 committed by Greg Kroah-Hartman
parent ce7b393f50
commit 52a7fb0951
1 changed files with 3 additions and 1 deletions

View File

@ -937,7 +937,7 @@ static u8 rtl8192_phy_SwChnlStepByStep(struct net_device *dev, u8 channel,
break;
}
if (CurrentCmd->CmdID == CmdID_End) {
if (CurrentCmd && CurrentCmd->CmdID == CmdID_End) {
if ((*stage) == 2) {
return true;
} else {
@ -947,6 +947,8 @@ static u8 rtl8192_phy_SwChnlStepByStep(struct net_device *dev, u8 channel,
}
}
if (!CurrentCmd)
continue;
switch (CurrentCmd->CmdID) {
case CmdID_SetTxPowerLevel:
if (priv->IC_Cut > (u8)VERSION_8190_BD)