Messages in this thread | | | Date | Tue, 8 Jul 2014 18:07:22 +0300 | From | Dan Carpenter <> | Subject | Re: [PATCH] staging: rtl8192ee: Correct bitmask in comparsion |
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On Tue, Jul 08, 2014 at 04:54:59PM +0300, Andrey Utkin wrote: > The issue is discovered by static checker. The proposed change (0x000c0 > -> 0x000c) is likely correct because: > 1. 16-bit `map` holds value coming from struct > ieee80211_vht_mcs_info.tx_mcs_map, which is described so: "TX MCS map 2 > bits for each stream, total 8 streams". The changed code refers to case > of 2 TX streams, and 0x000c mask filters two bits related to the second > stream. Some codelines below 0x0003 mask is used to test first stream. > 2. Mask 0x000c is used 3 more times in that place. > 3. Specifying 5 digits of hex value is uncommon, especially while working > with `u16` variable. So likely the trailing zero is a typo.
This changelog is perfect. Thanks.
regards, dan carpenter
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