Messages in this thread | | | Date | Tue, 11 Nov 2014 13:26:36 +0100 | From | Johan Hovold <> | Subject | Re: [PATCH 2/2] i2c: dln2: simplify return flow for dln2_i2c_enable |
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On Tue, Nov 11, 2014 at 02:20:57PM +0200, Octavian Purdila wrote: > This fixes the following kbuild test robot warning: > > >> drivers/i2c/busses/i2c-dln2.c:70:1-4: WARNING: end returns can be simplified if negative or 0 value > > Reported-by: kbuild test robot <fengguang.wu@intel.com> > Reported-by: Julia Lawall <julia.lawall@lip6.fr> > > Signed-off-by: Octavian Purdila <octavian.purdila@intel.com> > --- > drivers/i2c/busses/i2c-dln2.c | 7 +------ > 1 file changed, 1 insertion(+), 6 deletions(-) > > diff --git a/drivers/i2c/busses/i2c-dln2.c b/drivers/i2c/busses/i2c-dln2.c > index 010a5fa..b3fb86a 100644 > --- a/drivers/i2c/busses/i2c-dln2.c > +++ b/drivers/i2c/busses/i2c-dln2.c > @@ -54,7 +54,6 @@ struct dln2_i2c { > > static int dln2_i2c_enable(struct dln2_i2c *dln2, bool enable) > { > - int ret; > u16 cmd; > struct { > u8 port; > @@ -67,11 +66,7 @@ static int dln2_i2c_enable(struct dln2_i2c *dln2, bool enable) > else > cmd = DLN2_I2C_DISABLE; > > - ret = dln2_transfer_tx(dln2->pdev, cmd, &tx, sizeof(tx)); > - if (ret < 0) > - return ret; > - > - return 0; > + return dln2_transfer_tx(dln2->pdev, cmd, &tx, sizeof(tx));
This looks like a bogus warning. It's not generally equivalent (ret > 0) and is not mandated by any style guide lines.
Johan
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