Messages in this thread | | | From | Evgeniy Polyakov <> | Subject | Re: [PATCH] w1: remove redundant assignments to search_bit and last_rn | Date | Wed, 06 Dec 2017 01:34:15 +0300 |
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Hi
07.11.2017, 21:49, "Colin King" <colin.king@canonical.com>: > From: Colin Ian King <colin.king@canonical.com> > > Variables search_bit and last_rn are assigned values before a while-loop > however these initial values are never read (as they are overwritten > inside the loop). Thus these initial assignments are redundant and can > be removed. Cleans up clang warnings: > > drivers/w1/w1.c:967:2: warning: Value stored to 'search_bit' is never > read > drivers/w1/w1.c:969:2: warning: Value stored to 'last_rn' is never read
This looks good, thank you. Please pull it into janitors tree if you haven't yet.
> Signed-off-by: Colin Ian King <colin.king@canonical.com>
Acked-by: Evgeniy Polyakov <zbr@ioremap.net>
> --- > drivers/w1/w1.c | 2 -- > 1 file changed, 2 deletions(-) > > diff --git a/drivers/w1/w1.c b/drivers/w1/w1.c > index 0c2a5a8327bd..c29f6c5dda3c 100644 > --- a/drivers/w1/w1.c > +++ b/drivers/w1/w1.c > @@ -964,9 +964,7 @@ void w1_search(struct w1_master *dev, u8 search_type, w1_slave_found_callback cb > int search_bit, desc_bit; > u8 triplet_ret = 0; > > - search_bit = 0; > rn = dev->search_id; > - last_rn = 0; > last_device = 0; > last_zero = -1; > > -- > 2.14.1
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