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staging: vt6656: vnt_rf_setpower rate <= RATE_11M check array bound

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decrement channel by one and check array bound.

Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Malcolm Priestley 2014-07-05 19:24:22 +01:00 • committed by Greg Kroah-Hartman
commit 89daee6ff5
1 changed files with 4 additions and 1 deletions
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5
drivers/staging/vt6656/rf.c
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@ -744,7 +744,10 @@ int vnt_rf_setpower(struct vnt_private *priv, u32 rate, u32 channel)
case RATE_2M:
case RATE_5M:
case RATE_11M:
power = priv->abyCCKPwrTbl[channel-1];
channel--;
if (channel < sizeof(priv->abyCCKPwrTbl))
power = priv->abyCCKPwrTbl[channel];
break;
case RATE_6M:
case RATE_9M: