Messages in this thread | | | From | Toke Høiland-Jørgensen <> | Subject | Re: [PATCH] ath9k: remove setting of 'is_ext' parameter | Date | Mon, 23 May 2022 11:32:57 +0200 |
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Tom Rix <trix@redhat.com> writes:
> cppcheck reports > [drivers/net/wireless/ath/ath9k/dfs.c:93]: (style) Assignment of function parameter has no effect outside the function. > > Both the is_ctl and the is_ext parameters are set in the if-else statement. > But only is_ctl is used later, so setting is_ext is not needed and can be removed. > > Signed-off-by: Tom Rix <trix@redhat.com> > --- > drivers/net/wireless/ath/ath9k/dfs.c | 2 -- > 1 file changed, 2 deletions(-) > > diff --git a/drivers/net/wireless/ath/ath9k/dfs.c b/drivers/net/wireless/ath/ath9k/dfs.c > index acb9602aa464..47cdfb584eb0 100644 > --- a/drivers/net/wireless/ath/ath9k/dfs.c > +++ b/drivers/net/wireless/ath/ath9k/dfs.c > @@ -89,8 +89,6 @@ static int ath9k_get_max_index_ht40(struct ath9k_dfs_fft_40 *fft, > int mag_upper = fft_max_magnitude(fft->upper_bins); > if (mag_upper > mag_lower) > is_ctl = false; > - else > - is_ext = false;
Hmm, not so sure about this; while the assignment is technically useless, I think it makes the intent of the code clearer (i.e., disambiguating between is_ctl or is_ext; upon exiting that block is_ctl or is_ext will always be false(...
-Toke
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