Messages in this thread | | | Subject | Re: [PATCH] b43: N-PHY: Fix the update of coef for the PHY revision >= 3case | From | Larry Finger <> | Date | Mon, 15 Feb 2021 09:58:41 -0600 |
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On 2/15/21 6:05 AM, Colin King wrote: > From: Colin Ian King <colin.king@canonical.com> > > The documentation for the PHY update [1] states: > > Loop 4 times with index i > > If PHY Revision >= 3 > Copy table[i] to coef[i] > Otherwise > Set coef[i] to 0 > > the copy of the table to coef is currently implemented the wrong way > around, table is being updated from uninitialized values in coeff. > Fix this by swapping the assignment around. > > [1] https://bcm-v4.sipsolutions.net/802.11/PHY/N/RestoreCal/ > > Fixes: 2f258b74d13c ("b43: N-PHY: implement restoring general configuration") > Addresses-Coverity: ("Uninitialized scalar variable") > Signed-off-by: Colin Ian King <colin.king@canonical.com> > --- > drivers/net/wireless/broadcom/b43/phy_n.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/net/wireless/broadcom/b43/phy_n.c b/drivers/net/wireless/broadcom/b43/phy_n.c > index b669dff24b6e..665b737fbb0d 100644 > --- a/drivers/net/wireless/broadcom/b43/phy_n.c > +++ b/drivers/net/wireless/broadcom/b43/phy_n.c > @@ -5311,7 +5311,7 @@ static void b43_nphy_restore_cal(struct b43_wldev *dev) > > for (i = 0; i < 4; i++) { > if (dev->phy.rev >= 3) > - table[i] = coef[i]; > + coef[i] = table[i]; > else > coef[i] = 0; > } >
Acked-by: Larry Finger <Larry.Finger@lwfinger.net>
Good catch, thanks.
Larry
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