From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alexandre Belloni Date: Thu, 26 Oct 2017 13:48:52 +0000 Subject: Re: [PATCH] iio/light/opt3001: Use common error handling code in opt3001_get_lux() Message-Id: <20171026134852.bprrrv3htfyryyy4@piout.net> List-Id: References: In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: SF Markus Elfring Cc: linux-iio@vger.kernel.org, Andreas Dannenberg , Felipe Balbi , Hartmut Knaack , Javier Martinez Canillas , Jonathan Cameron , Lars-Peter Clausen , Peter Meerwald-Stadler , LKML , kernel-janitors@vger.kernel.org On 26/10/2017 at 14:17:30 +0200, SF Markus Elfring wrote: > From: Markus Elfring > Date: Thu, 26 Oct 2017 14:06:49 +0200 > > * Add jump targets so that two error messages are stored only once > at the end of this function implementation. > > * Adjust condition checks. > > * Replace string literals by references to two global constant variables > in eight functions. > > This issue was detected by using the Coccinelle software. > > Signed-off-by: Markus Elfring > --- > drivers/iio/light/opt3001.c | 88 +++++++++++++++++++-------------------------- > 1 file changed, 36 insertions(+), 52 deletions(-) > > diff --git a/drivers/iio/light/opt3001.c b/drivers/iio/light/opt3001.c > index 54d88b60e303..23d7d4e6ae61 100644 > --- a/drivers/iio/light/opt3001.c > +++ b/drivers/iio/light/opt3001.c > @@ -77,6 +77,9 @@ > #define OPT3001_RESULT_READY_SHORT 150 > #define OPT3001_RESULT_READY_LONG 1000 > > +static char const read_failure[] = "failed to read register %02x\n"; > +static char const write_failure[] = "failed to write register %02x\n"; > + If you are going to do that, why don't you use only one string: "failed to %s register %02x\n"? -- Alexandre Belloni, Free Electrons Embedded Linux and Kernel engineering http://free-electrons.com