Misc patches for 2022-05-12

[PULL 04/27] checkpatch: fix g_malloc check

Paolo Bonzini posted 27 patches 3 years, 9 months ago

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Maintainers: Stefan Hajnoczi <stefanha@redhat.com>, Fam Zheng <fam@euphon.net>, Kevin Wolf <kwolf@redhat.com>, Hanna Reitz <hreitz@redhat.com>, Peter Maydell <peter.maydell@linaro.org>, Eduardo Habkost <eduardo@habkost.net>, Marcel Apfelbaum <marcel.apfelbaum@gmail.com>, "Philippe Mathieu-Daudé" <f4bug@amsat.org>, Yanan Wang <wangyanan55@huawei.com>, Richard Henderson <richard.henderson@linaro.org>, Helge Deller <deller@gmx.de>, Paolo Bonzini <pbonzini@redhat.com>, "Michael S. Tsirkin" <mst@redhat.com>, Gerd Hoffmann <kraxel@redhat.com>, Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>, "Hervé Poussineau" <hpoussin@reactos.org>, "Cédric Le Goater" <clg@kaod.org>, Daniel Henrique Barboza <danielhb413@gmail.com>, David Gibson <david@gibson.dropbear.id.au>, Greg Kurz <groug@kaod.org>, Christian Borntraeger <borntraeger@linux.ibm.com>, Thomas Huth <thuth@redhat.com>, Cornelia Huck <cohuck@redhat.com>, Halil Pasic <pasic@linux.ibm.com>, Eric Farman <farman@linux.ibm.com>, David Hildenbrand <david@redhat.com>, Artyom Tarasenko <atar4qemu@gmail.com>, Stefano Stabellini <sstabellini@kernel.org>, Anthony Perard <anthony.perard@citrix.com>, Paul Durrant <paul@xen.org>, Samuel Thibault <samuel.thibault@ens-lyon.org>, Jason Wang <jasowang@redhat.com>, Eric Blake <eblake@redhat.com>, Markus Armbruster <armbru@redhat.com>, Marcelo Tosatti <mtosatti@redhat.com>, "Gonglei (Arei)" <arei.gonglei@huawei.com>, Laurent Vivier <lvivier@redhat.com>, Coiby Xu <Coiby.Xu@gmail.com>, Amit Shah <amit@kernel.org>

Use the string equality operator "eq", and ensure that $1 is defined by using "(try|)" instead of "(try)?". The alternative "((?:try)?)" is longer and less readable. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> --- scripts/checkpatch.pl | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl index 4763d02ae7..d900d18048 100755 --- a/scripts/checkpatch.pl +++ b/scripts/checkpatch.pl @@ -2831,8 +2831,8 @@ sub process { } # check for pointless casting of g_malloc return - if ($line =~ /\*\s*\)\s*g_(try)?(m|re)alloc(0?)(_n)?\b/) { - if ($2 == 'm') { + if ($line =~ /\*\s*\)\s*g_(try|)(m|re)alloc(0?)(_n)?\b/) { + if ($2 eq 'm') { ERROR("unnecessary cast may hide bugs, use g_$1new$3 instead\n" . $herecurr); } else { ERROR("unnecessary cast may hide bugs, use g_$1renew$3 instead\n" . $herecurr); -- 2.36.0