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Date: Sat, 14 Oct 2017 09:12:57 +0100 From: Christos Gkekas <chris.gekas@...il.com> To: Kalle Valo <kvalo@....qualcomm.com> Cc: "ath10k@...ts.infradead.org" <ath10k@...ts.infradead.org>, "linux-wireless@...r.kernel.org" <linux-wireless@...r.kernel.org>, "netdev@...r.kernel.org" <netdev@...r.kernel.org>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org> Subject: Re: [PATCH] ath10k: spectral: Simplify error checking On 13/10/17 12:28:50 +0000, Kalle Valo wrote: > Christos Gkekas <chris.gekas@...il.com> writes: > > > Variable val is unsigned so checking whether it is less than zero is > > redundant. > > > > Signed-off-by: Christos Gkekas <chris.gekas@...il.com> > > --- > > drivers/net/wireless/ath/ath10k/spectral.c | 5 +---- > > 1 file changed, 1 insertion(+), 4 deletions(-) > > > > diff --git a/drivers/net/wireless/ath/ath10k/spectral.c b/drivers/net/wireless/ath/ath10k/spectral.c > > index dd9cc09..1867937 100644 > > --- a/drivers/net/wireless/ath/ath10k/spectral.c > > +++ b/drivers/net/wireless/ath/ath10k/spectral.c > > @@ -403,10 +403,7 @@ static ssize_t write_file_spectral_count(struct file *file, > > return -EFAULT; > > > > buf[len] = '\0'; > > - if (kstrtoul(buf, 0, &val)) > > - return -EINVAL; > > - > > - if (val < 0 || val > 255) > > + if (kstrtoul(buf, 0, &val) || val > 255) > > return -EINVAL; > > Removing the check for negative is correct but I don't think you are > simplifying anything, on the contrary it's harder to read. Please keep > the two if statements separate. > > -- > Kalle Valo You are right, will make the change and send a new patch. Thanks for your time. Christos Gkekas
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