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brcmutil: assure unused bits are cleared in 11n chanspec

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The firmware channel specification is a bitfield using a
16-bit integer, but only 14 lsb are used. Upon encoding
this value assure all 16 bits are cleared.

Reviewed-by: Hante Meuleman <meuleman@broadcom.com>
Reviewed-by: Franky (Zhenhui) Lin <frankyl@broadcom.com>
Reviewed-by: Daniel (Deognyoun) Kim <dekim@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Arend van Spriel 2014-05-27 12:56:25 +02:00 committed by John W. Linville
parent 71ded72a2b
commit 6833965c46
1 changed files with 1 additions and 1 deletions
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2
drivers/net/wireless/brcm80211/brcmutil/d11.c
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@ -54,6 +54,7 @@ static void brcmu_d11n_encchspec(struct brcmu_chan *ch)
if (ch->bw == BRCMU_CHAN_BW_20)
ch->sb = BRCMU_CHAN_SB_NONE;
ch->chspec = 0;
brcmu_maskset16(&ch->chspec, BRCMU_CHSPEC_CH_MASK,
BRCMU_CHSPEC_CH_SHIFT, ch->chnum);
brcmu_maskset16(&ch->chspec, BRCMU_CHSPEC_D11N_SB_MASK,
@ -61,7 +62,6 @@ static void brcmu_d11n_encchspec(struct brcmu_chan *ch)
brcmu_maskset16(&ch->chspec, BRCMU_CHSPEC_D11N_BW_MASK,
0, d11n_bw(ch->bw));
ch->chspec &= ~BRCMU_CHSPEC_D11N_BND_MASK;
if (ch->chnum <= CH_MAX_2G_CHANNEL)
ch->chspec |= BRCMU_CHSPEC_D11N_BND_2G;
else