Messages in this thread | | | Date | Thu, 4 Apr 2019 14:56:35 -0500 | From | Madhumthia Prabakaran <> | Subject | Re: [PATCH v2] Staging: rtlwifi: Remove unwanted parentheses |
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On Thu, Apr 04, 2019 at 12:09:00PM +0300, Dan Carpenter wrote: > You should probably update the subject line because now it's not just > about parentheses any more. > > [PATCH v2] Staging: rtlwifi: clean up crc16_ccitt() > > So the one thing per patch rule is a little bit about selling your > patch. We never allow "Clean up whole_file.c" but we do sometimes allow > "Clean up a function()" so long as the patch description sells it in > the right way. > > Blah blah function does "BIT(0) << i" instead of "BIT(i)". Using !! > is slightly shorter than "foo ? 1 : 0". Blah blah, etc.
Thanks for feedback!
> > On Wed, Apr 03, 2019 at 05:38:51PM -0500, Madhumitha Prabakaran wrote: > > @@ -351,13 +351,13 @@ static u16 crc16_ccitt(u8 data, u16 crc) > > else > > result |= BIT(0); > > > > - crc_bit11 = ((crc & BIT(11)) ? 1 : 0) ^ shift_in; > > + crc_bit11 = !!(crc & BIT(11)) ^ shift_in; > > if (crc_bit11 == 0) > > result &= (~BIT(12)); > ^ ^ > I thought your Coccinelle script was going to complain about these > parentheses. Probably the &= confuses it? There are a couple others > in the same function.
I didn't included assignment operators in the earlier Coccinelle script. However, I edited it now.
> > regards, > dan carpenter
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