checkpatch: don't error out on },{ lines

Submitted by Alexander Graf on June 29, 2011, 6:09 a.m.

Details

Message ID 1309327773-18966-1-git-send-email-agraf@suse.de
State New
Headers show

Commit Message

Alexander Graf June 29, 2011, 6:09 a.m.
When having code like this:

    static PCIDeviceInfo piix_ide_info[] = {
        {
            .qdev.name    = "piix3-ide",
            .qdev.size    = sizeof(PCIIDEState),
            .qdev.no_user = 1,
            .no_hotplug   = 1,
            .init         = pci_piix_ide_initfn,
            .vendor_id    = PCI_VENDOR_ID_INTEL,
            .device_id    = PCI_DEVICE_ID_INTEL_82371SB_1,
            .class_id     = PCI_CLASS_STORAGE_IDE,
        },{
            .qdev.name    = "piix4-ide",
            .qdev.size    = sizeof(PCIIDEState),
            .qdev.no_user = 1,
            .no_hotplug   = 1,
            .init         = pci_piix_ide_initfn,
            .vendor_id    = PCI_VENDOR_ID_INTEL,
            .device_id    = PCI_DEVICE_ID_INTEL_82371AB,
            .class_id     = PCI_CLASS_STORAGE_IDE,
        },{
            /* end of list */
        }
    };

checkpatch currently errors out, claiming that spaces need to follow
commas. However, this particular style of defining structs is pretty
common in qemu code and very readable. So let's declare it as supported
for the above case.

Reported-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
---
 scripts/checkpatch.pl |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)

Comments

Stefan Hajnoczi June 30, 2011, 1:08 p.m.
On Wed, Jun 29, 2011 at 7:09 AM, Alexander Graf <agraf@suse.de> wrote:
> When having code like this:
>
>    static PCIDeviceInfo piix_ide_info[] = {
>        {
>            .qdev.name    = "piix3-ide",
>            .qdev.size    = sizeof(PCIIDEState),
>            .qdev.no_user = 1,
>            .no_hotplug   = 1,
>            .init         = pci_piix_ide_initfn,
>            .vendor_id    = PCI_VENDOR_ID_INTEL,
>            .device_id    = PCI_DEVICE_ID_INTEL_82371SB_1,
>            .class_id     = PCI_CLASS_STORAGE_IDE,
>        },{
>            .qdev.name    = "piix4-ide",
>            .qdev.size    = sizeof(PCIIDEState),
>            .qdev.no_user = 1,
>            .no_hotplug   = 1,
>            .init         = pci_piix_ide_initfn,
>            .vendor_id    = PCI_VENDOR_ID_INTEL,
>            .device_id    = PCI_DEVICE_ID_INTEL_82371AB,
>            .class_id     = PCI_CLASS_STORAGE_IDE,
>        },{
>            /* end of list */
>        }
>    };
>
> checkpatch currently errors out, claiming that spaces need to follow
> commas. However, this particular style of defining structs is pretty
> common in qemu code and very readable. So let's declare it as supported
> for the above case.
>
> Reported-by: Kevin Wolf <kwolf@redhat.com>
> Signed-off-by: Alexander Graf <agraf@suse.de>
> ---
>  scripts/checkpatch.pl |    4 +++-
>  1 files changed, 3 insertions(+), 1 deletions(-)

Good idea.  I was going to go and change qemu-config.c but updating
checkpatch.pl probably makes more sense.

Stefan

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diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 075b614..70a2111 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -2068,8 +2068,10 @@  sub process {
 					}
 
 				# , must have a space on the right.
+                                # not required when having a single },{ on one line
 				} elsif ($op eq ',') {
-					if ($ctx !~ /.x[WEC]/ && $cc !~ /^}/) {
+					if ($ctx !~ /.x[WEC]/ && $cc !~ /^}/ &&
+                                            ($elements[$n] . $elements[$n + 2]) !~ " *}{") {
 						ERROR("space required after that '$op' $at\n" . $hereptr);
 					}