From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jean Delvare Subject: Re: [PATCH] i2c: sis630: correct format strings Date: Wed, 6 Mar 2019 09:58:29 +0100 Message-ID: <20190306095829.5ba295c4@endymion> References: <20190302141836.24638-1-louis@kragniz.eu> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20190302141836.24638-1-louis@kragniz.eu> Sender: linux-kernel-owner@vger.kernel.org To: Louis Taylor Cc: linux-i2c@vger.kernel.org, linux-kernel@vger.kernel.org, clang-built-linux@googlegroups.com, ndesaulniers@google.com, jflat@chromium.org List-Id: linux-i2c@vger.kernel.org Hi Louis, On Sat, 2 Mar 2019 14:18:36 +0000, Louis Taylor wrote: > When compiling with -Wformat, clang warns: > > drivers/i2c/busses/i2c-sis630.c:482:4: warning: format specifies type > 'unsigned short' but the argument has type 'int' [-Wformat] > smbus_base + SMB_STS, > ^~~~~~~~~~~~~~~~~~~~ > > drivers/i2c/busses/i2c-sis630.c:483:4: warning: format specifies type > 'unsigned short' but the argument has type 'int' [-Wformat] > smbus_base + SMB_STS + SIS630_SMB_IOREGION - 1); > ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > > drivers/i2c/busses/i2c-sis630.c:531:37: warning: format specifies type > 'unsigned short' but the argument has type 'int' [-Wformat] > "SMBus SIS630 adapter at %04hx", smbus_base + SMB_STS); > ~~~~~ ^~~~~~~~~~~~~~~~~~~~ > > This patch fixes the format strings to use the format type for int. > > Link: https://github.com/ClangBuiltLinux/linux/issues/378 > Signed-off-by: Louis Taylor > --- > drivers/i2c/busses/i2c-sis630.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/drivers/i2c/busses/i2c-sis630.c b/drivers/i2c/busses/i2c-sis630.c > index 1e6805b5cef2..a57aa4fe51a4 100644 > --- a/drivers/i2c/busses/i2c-sis630.c > +++ b/drivers/i2c/busses/i2c-sis630.c > @@ -478,7 +478,7 @@ static int sis630_setup(struct pci_dev *sis630_dev) > if (!request_region(smbus_base + SMB_STS, SIS630_SMB_IOREGION, > sis630_driver.name)) { > dev_err(&sis630_dev->dev, > - "I/O Region 0x%04hx-0x%04hx for SMBus already in use.\n", > + "I/O Region 0x%04x-0x%04x for SMBus already in use.\n", > smbus_base + SMB_STS, > smbus_base + SMB_STS + SIS630_SMB_IOREGION - 1); > retval = -EBUSY; > @@ -528,7 +528,7 @@ static int sis630_probe(struct pci_dev *dev, const struct pci_device_id *id) > sis630_adapter.dev.parent = &dev->dev; > > snprintf(sis630_adapter.name, sizeof(sis630_adapter.name), > - "SMBus SIS630 adapter at %04hx", smbus_base + SMB_STS); > + "SMBus SIS630 adapter at %04x", smbus_base + SMB_STS); > > return i2c_add_adapter(&sis630_adapter); > } Signed-off-by: Jean Delvare Would be nice if gcc itself would reports such formatting issues... Thanks, -- Jean Delvare SUSE L3 Support