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Re: [BUG REPORT] brcmfmac: wrong logic in finding control/primary channel relative location

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On 05/31/15 10:18, Rafał Miłecki wrote:
On 21 December 2014 at 14:03, Arend van Spriel<arend@xxxxxxxxxxxx>  wrote:
On 12/20/14 19:25, Rafał Miłecki wrote:
Hi guys,

Let me report something I think is a bug in this unusual-patch way ;)
---
   drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c | 2 ++
   1 file changed, 2 insertions(+)

diff --git a/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c
b/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c
index 39b45c0..2c9e88b 100644
--- a/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c
+++ b/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c
@@ -313,11 +313,13 @@ static u16 chandef_to_chanspec(struct brcmu_d11inf
*d11inf,
         case NL80211_CHAN_WIDTH_80:
                 ch_inf.bw = BRCMU_CHAN_BW_80;
                 if (primary_offset<   0) {
+                       /* FIXME: We compare frequencies offset with a
value -2. Looks like a wrong logic. */
                         if (primary_offset<   -CH_10MHZ_APART)


You are right. The primary_offset is in MHz, but the logical expression is
for channel spacing (1 channel == 5MHz). So here it should be -10 instead.
Thanks for reporting this.

Will you fix it?

Completely forgot about this one. Feel free to submit a patch for it.

Regards,
Arend
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