Messages in this thread | | | From | Kalle Valo <> | Subject | Re: [PATCH] ath9k: debug: Simplify error checking | Date | Fri, 13 Oct 2017 15:49:15 +0300 |
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Christos Gkekas <chris.gekas@gmail.com> writes:
> Variable val is unsigned so checking whether it is less than zero is > redundant. > > Signed-off-by: Christos Gkekas <chris.gekas@gmail.com> > --- > drivers/net/wireless/ath/ath9k/debug.c | 5 +---- > 1 file changed, 1 insertion(+), 4 deletions(-) > > diff --git a/drivers/net/wireless/ath/ath9k/debug.c b/drivers/net/wireless/ath/ath9k/debug.c > index 01fa301..3b93c23 100644 > --- a/drivers/net/wireless/ath/ath9k/debug.c > +++ b/drivers/net/wireless/ath/ath9k/debug.c > @@ -1164,10 +1164,7 @@ static ssize_t write_file_tpc(struct file *file, const char __user *user_buf, > return -EFAULT; > > buf[len] = '\0'; > - if (kstrtoul(buf, 0, &val)) > - return -EINVAL; > - > - if (val < 0 || val > 1) > + if (kstrtoul(buf, 0, &val) || val > 1) > return -EINVAL;
Same as with the ath10k patch, please keep the two if statements separate.
-- Kalle Valo
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