diff mbox series

[v2] HID: quirks: use correct format chars in dbg_hid

Message ID 20190227110720.27329-1-louis@kragniz.eu (mailing list archive)
State Mainlined
Commit 7d01427aaa78fa611f84c1a05fde66a41a6598be
Delegated to: Jiri Kosina
Headers show
Series [v2] HID: quirks: use correct format chars in dbg_hid | expand

Commit Message

Louis Taylor Feb. 27, 2019, 11:07 a.m. UTC
When building with -Wformat, clang warns:

drivers/hid/hid-quirks.c:1075:27: warning: format specifies type
'unsigned short' but the argument has type '__u32' (aka 'unsigned int')
[-Wformat]
		  bl_entry->driver_data, bl_entry->vendor,
					 ^~~~~~~~~~~~~~~~
./include/linux/hid.h:1170:48: note: expanded from macro 'dbg_hid'
	  printk(KERN_DEBUG "%s: " format, __FILE__, ##arg);      \
				   ~~~~~~              ^~~
drivers/hid/hid-quirks.c:1076:4: warning: format specifies type
'unsigned short' but the argument has type '__u32' (aka 'unsigned int')
[-Wformat]
		  bl_entry->product);
		  ^~~~~~~~~~~~~~~~~
./include/linux/hid.h:1170:48: note: expanded from macro 'dbg_hid'
	  printk(KERN_DEBUG "%s: " format, __FILE__, ##arg);      \
				   ~~~~~~              ^~~
drivers/hid/hid-quirks.c:1242:12: warning: format specifies type
'unsigned short' but the argument has type '__u32' (aka 'unsigned int')
[-Wformat]
		  quirks, hdev->vendor, hdev->product);
			  ^~~~~~~~~~~~
./include/linux/hid.h:1170:48: note: expanded from macro 'dbg_hid'
	  printk(KERN_DEBUG "%s: " format, __FILE__, ##arg);      \
				   ~~~~~~              ^~~
drivers/hid/hid-quirks.c:1242:26: warning: format specifies type
'unsigned short' but the argument has type '__u32' (aka 'unsigned int')
[-Wformat]
		  quirks, hdev->vendor, hdev->product);
					^~~~~~~~~~~~~
./include/linux/hid.h:1170:48: note: expanded from macro 'dbg_hid'
	  printk(KERN_DEBUG "%s: " format, __FILE__, ##arg);      \
				   ~~~~~~              ^~~
4 warnings generated.

This patch fixes the format strings to use the correct format type for unsigned
ints.

Link: https://github.com/ClangBuiltLinux/linux/issues/378
Signed-off-by: Louis Taylor <louis@kragniz.eu>
---

v2: change format string to use %04x instead of %x

 drivers/hid/hid-quirks.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

Comments

Nick Desaulniers Feb. 27, 2019, 7:42 p.m. UTC | #1
On Wed, Feb 27, 2019 at 3:08 AM Louis Taylor <louis@kragniz.eu> wrote:
>
> When building with -Wformat, clang warns:
>
> drivers/hid/hid-quirks.c:1075:27: warning: format specifies type
> 'unsigned short' but the argument has type '__u32' (aka 'unsigned int')
> [-Wformat]
>                   bl_entry->driver_data, bl_entry->vendor,
>                                          ^~~~~~~~~~~~~~~~
> ./include/linux/hid.h:1170:48: note: expanded from macro 'dbg_hid'
>           printk(KERN_DEBUG "%s: " format, __FILE__, ##arg);      \
>                                    ~~~~~~              ^~~
> drivers/hid/hid-quirks.c:1076:4: warning: format specifies type
> 'unsigned short' but the argument has type '__u32' (aka 'unsigned int')
> [-Wformat]
>                   bl_entry->product);
>                   ^~~~~~~~~~~~~~~~~
> ./include/linux/hid.h:1170:48: note: expanded from macro 'dbg_hid'
>           printk(KERN_DEBUG "%s: " format, __FILE__, ##arg);      \
>                                    ~~~~~~              ^~~
> drivers/hid/hid-quirks.c:1242:12: warning: format specifies type
> 'unsigned short' but the argument has type '__u32' (aka 'unsigned int')
> [-Wformat]
>                   quirks, hdev->vendor, hdev->product);
>                           ^~~~~~~~~~~~
> ./include/linux/hid.h:1170:48: note: expanded from macro 'dbg_hid'
>           printk(KERN_DEBUG "%s: " format, __FILE__, ##arg);      \
>                                    ~~~~~~              ^~~
> drivers/hid/hid-quirks.c:1242:26: warning: format specifies type
> 'unsigned short' but the argument has type '__u32' (aka 'unsigned int')
> [-Wformat]
>                   quirks, hdev->vendor, hdev->product);
>                                         ^~~~~~~~~~~~~
> ./include/linux/hid.h:1170:48: note: expanded from macro 'dbg_hid'
>           printk(KERN_DEBUG "%s: " format, __FILE__, ##arg);      \
>                                    ~~~~~~              ^~~
> 4 warnings generated.
>
> This patch fixes the format strings to use the correct format type for unsigned
> ints.
>
> Link: https://github.com/ClangBuiltLinux/linux/issues/378
> Signed-off-by: Louis Taylor <louis@kragniz.eu>

Thanks for following up on the feedback.
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>

> ---
>
> v2: change format string to use %04x instead of %x
>
>  drivers/hid/hid-quirks.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/hid/hid-quirks.c b/drivers/hid/hid-quirks.c
> index 94088c0ed68a..b608a57b7908 100644
> --- a/drivers/hid/hid-quirks.c
> +++ b/drivers/hid/hid-quirks.c
> @@ -1071,7 +1071,7 @@ static struct hid_device_id *hid_exists_dquirk(const struct hid_device *hdev)
>         }
>
>         if (bl_entry != NULL)
> -               dbg_hid("Found dynamic quirk 0x%lx for HID device 0x%hx:0x%hx\n",
> +               dbg_hid("Found dynamic quirk 0x%lx for HID device 0x%04x:0x%04x\n",
>                         bl_entry->driver_data, bl_entry->vendor,
>                         bl_entry->product);
>
> @@ -1238,7 +1238,7 @@ static unsigned long hid_gets_squirk(const struct hid_device *hdev)
>                 quirks |= bl_entry->driver_data;
>
>         if (quirks)
> -               dbg_hid("Found squirk 0x%lx for HID device 0x%hx:0x%hx\n",
> +               dbg_hid("Found squirk 0x%lx for HID device 0x%04x:0x%04x\n",
>                         quirks, hdev->vendor, hdev->product);
>         return quirks;
>  }
> --
> 2.20.1
>
Benjamin Tissoires March 11, 2019, 2:56 p.m. UTC | #2
On Wed, Feb 27, 2019 at 8:43 PM Nick Desaulniers
<ndesaulniers@google.com> wrote:
>
> On Wed, Feb 27, 2019 at 3:08 AM Louis Taylor <louis@kragniz.eu> wrote:
> >
> > When building with -Wformat, clang warns:
> >
> > drivers/hid/hid-quirks.c:1075:27: warning: format specifies type
> > 'unsigned short' but the argument has type '__u32' (aka 'unsigned int')
> > [-Wformat]
> >                   bl_entry->driver_data, bl_entry->vendor,
> >                                          ^~~~~~~~~~~~~~~~
> > ./include/linux/hid.h:1170:48: note: expanded from macro 'dbg_hid'
> >           printk(KERN_DEBUG "%s: " format, __FILE__, ##arg);      \
> >                                    ~~~~~~              ^~~
> > drivers/hid/hid-quirks.c:1076:4: warning: format specifies type
> > 'unsigned short' but the argument has type '__u32' (aka 'unsigned int')
> > [-Wformat]
> >                   bl_entry->product);
> >                   ^~~~~~~~~~~~~~~~~
> > ./include/linux/hid.h:1170:48: note: expanded from macro 'dbg_hid'
> >           printk(KERN_DEBUG "%s: " format, __FILE__, ##arg);      \
> >                                    ~~~~~~              ^~~
> > drivers/hid/hid-quirks.c:1242:12: warning: format specifies type
> > 'unsigned short' but the argument has type '__u32' (aka 'unsigned int')
> > [-Wformat]
> >                   quirks, hdev->vendor, hdev->product);
> >                           ^~~~~~~~~~~~
> > ./include/linux/hid.h:1170:48: note: expanded from macro 'dbg_hid'
> >           printk(KERN_DEBUG "%s: " format, __FILE__, ##arg);      \
> >                                    ~~~~~~              ^~~
> > drivers/hid/hid-quirks.c:1242:26: warning: format specifies type
> > 'unsigned short' but the argument has type '__u32' (aka 'unsigned int')
> > [-Wformat]
> >                   quirks, hdev->vendor, hdev->product);
> >                                         ^~~~~~~~~~~~~
> > ./include/linux/hid.h:1170:48: note: expanded from macro 'dbg_hid'
> >           printk(KERN_DEBUG "%s: " format, __FILE__, ##arg);      \
> >                                    ~~~~~~              ^~~
> > 4 warnings generated.
> >
> > This patch fixes the format strings to use the correct format type for unsigned
> > ints.
> >
> > Link: https://github.com/ClangBuiltLinux/linux/issues/378
> > Signed-off-by: Louis Taylor <louis@kragniz.eu>
>
> Thanks for following up on the feedback.
> Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>

Applied to for-5.1/upstream-fixes

Cheers,
Benjamin

>
> > ---
> >
> > v2: change format string to use %04x instead of %x
> >
> >  drivers/hid/hid-quirks.c | 4 ++--
> >  1 file changed, 2 insertions(+), 2 deletions(-)
> >
> > diff --git a/drivers/hid/hid-quirks.c b/drivers/hid/hid-quirks.c
> > index 94088c0ed68a..b608a57b7908 100644
> > --- a/drivers/hid/hid-quirks.c
> > +++ b/drivers/hid/hid-quirks.c
> > @@ -1071,7 +1071,7 @@ static struct hid_device_id *hid_exists_dquirk(const struct hid_device *hdev)
> >         }
> >
> >         if (bl_entry != NULL)
> > -               dbg_hid("Found dynamic quirk 0x%lx for HID device 0x%hx:0x%hx\n",
> > +               dbg_hid("Found dynamic quirk 0x%lx for HID device 0x%04x:0x%04x\n",
> >                         bl_entry->driver_data, bl_entry->vendor,
> >                         bl_entry->product);
> >
> > @@ -1238,7 +1238,7 @@ static unsigned long hid_gets_squirk(const struct hid_device *hdev)
> >                 quirks |= bl_entry->driver_data;
> >
> >         if (quirks)
> > -               dbg_hid("Found squirk 0x%lx for HID device 0x%hx:0x%hx\n",
> > +               dbg_hid("Found squirk 0x%lx for HID device 0x%04x:0x%04x\n",
> >                         quirks, hdev->vendor, hdev->product);
> >         return quirks;
> >  }
> > --
> > 2.20.1
> >
>
>
> --
> Thanks,
> ~Nick Desaulniers
diff mbox series

Patch

diff --git a/drivers/hid/hid-quirks.c b/drivers/hid/hid-quirks.c
index 94088c0ed68a..b608a57b7908 100644
--- a/drivers/hid/hid-quirks.c
+++ b/drivers/hid/hid-quirks.c
@@ -1071,7 +1071,7 @@  static struct hid_device_id *hid_exists_dquirk(const struct hid_device *hdev)
 	}
 
 	if (bl_entry != NULL)
-		dbg_hid("Found dynamic quirk 0x%lx for HID device 0x%hx:0x%hx\n",
+		dbg_hid("Found dynamic quirk 0x%lx for HID device 0x%04x:0x%04x\n",
 			bl_entry->driver_data, bl_entry->vendor,
 			bl_entry->product);
 
@@ -1238,7 +1238,7 @@  static unsigned long hid_gets_squirk(const struct hid_device *hdev)
 		quirks |= bl_entry->driver_data;
 
 	if (quirks)
-		dbg_hid("Found squirk 0x%lx for HID device 0x%hx:0x%hx\n",
+		dbg_hid("Found squirk 0x%lx for HID device 0x%04x:0x%04x\n",
 			quirks, hdev->vendor, hdev->product);
 	return quirks;
 }