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Thu, 3 Oct 2024 06:03:14 +1000 (AEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=web.de; s=s29768273; t=1727899342; x=1728504142; i=markus.elfring@web.de; bh=yk/JBSOBkQ1LKGKPJgjsG+d2d+2WBIGfUs3k8xorprg=; h=X-UI-Sender-Class:Message-ID:Date:MIME-Version:To:Cc:From: Subject:Content-Type:Content-Transfer-Encoding:cc: content-transfer-encoding:content-type:date:from:message-id: mime-version:reply-to:subject:to; b=vJh3uWvY+YI4HwG+Oop6AdrCMM/hC36uMebPO+Z/0+2j5obO0oaV+VEoEEypGxf4 K1fHJNZB1pF5m+rwMUANcpzvZawtGsRapzTV5BeDm1GHH0L20GjyMFb5IQJpD2S03 vonCVDWDDLjwHNicMTKwFzxihVTegFmexgJmAJViy+cjnrev6fcwSjmGqXaB+8PTE nIJ/yWtaXmcFZm6GX9Xy5y2E+5u3LDtECmCtnwoQ/i7dM3tlb3SFND9dDnJXjY4hz z0VSvqHX10a/tkGG2I38nDCNnedG0GjHCfIMigr9uWlolXcpU/93UgwlPUITgPZV9 2E/+iBVuRq+glIY7HA== X-UI-Sender-Class: 814a7b36-bfc1-4dae-8640-3722d8ec6cd6 Received: from [192.168.178.21] ([94.31.81.95]) by smtp.web.de (mrweb005 [213.165.67.108]) with ESMTPSA (Nemesis) id 1Mav6t-1sKpr33AIV-00d27Y; Wed, 02 Oct 2024 22:02:22 +0200 Message-ID: Date: Wed, 2 Oct 2024 22:02:20 +0200 X-Mailing-List: linuxppc-dev@lists.ozlabs.org List-Id: List-Help: List-Post: List-Subscribe: , , List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird To: linuxppc-dev@lists.ozlabs.org, Christophe Leroy , Jani Nikula , Madhavan Srinivasan , Michael Ellerman , Naveen N Rao , Nicholas Piggin , Paul Mackerras , Stephen Rothwell , Thomas Zimmermann Content-Language: en-GB Cc: LKML , kernel-janitors@vger.kernel.org, Krzysztof Kozlowski From: Markus Elfring Subject: [PATCH] powermac: Call of_node_put(bk_node) only once in pmac_has_backlight_type() X-Provags-ID: V03:K1:hKihFzh+xQoapC4KB1f813ixscEmHDPGUzMwuYAGUbLDglss0wb aW1DRTpfjmTzAnntPjK4MUjjYybAkBJsvTKYbf4BiOL1MIfuY+vOQC4V8VuMjXrM8OeMu7K /YnNfHSJaBVEQSyddEI15nrtpuVaNLW+IpzMvcjtsNH1IUPdyxetpjcQGjAD2/ohTb28UrV S2d7mD6JlNhWOuly+q0nA== UI-OutboundReport: notjunk:1;M01:P0:i5Qz6h6TJGI=;vi/+cqtGm3/O6HJzmQA8MyVuEcJ gnYaMhZqJzvwOLwF+Y8odsmfGi0zMGEJ+jIV430l1sse3ntrvjGfQ1YoXDGZ3ybIIjyG+Jwf0 tapsJNQqHFFFJTXztb+oYwXm9ifnmxd2qp1BlS1ROvH1TxlIjgn2/V6gvBFgkXIGh7o/Wi1bN nTjvwAIxlDdzk2ll0V246EHCEtOyYJdzXBcUbHEhiCST+2gymhY6tDq9UAsXWspBHy0AjPixQ GNnIoStVgXi3jhbMEDPIZcWgbCytgVAI8qGC6gU9N5lRkdA9gwne4uHM9LV1yxPSM2888jfui 13Nig+mIFTBu4IlJLFKM8JommUTVPguflFHjDZwJRIQZmegta25NJT8MsHFWTe1h+UK6AoLn2 jKGwkEeKcQl0tlPUqJZnUxex2V9FvSGhe8DSgOMyYzCo7rfteczvgeYCyNOySr3wVcst9B9zf Ta29slZPO+tYiGGJpzd1tbY78cE8IX8i0zZrsM5wCtEmMZoRwtBeXhhPlE3NCFKXAGDClQ45s XJvCzRffCS6lxzwz8PnKZzyAfHy42uj+jY0mYm9ylFH2GVl5wTF2KWKk7RLrgNFxnbYHt75KU PFxXp2GZqYabtgKIRHjYRz3D2mOcyWH/71R7VZoEB0lmzejIbrX2iiln5TDar9HXA3rLPZtBF asQdpVbd0CB5xwzeKsooemCRBkk6dQ3y1bGGwmuG8gFsmozG5KTR4uvVHoFjxhnWupdV2X9ue 0pqh760jpB4Ls1+VuoUT1jwcg02jQlP+K0ed9GtcywbuoST3JBILwUY9Ckrv+iOg3qmxV7lW0 ux5vDQ19KuZHrPIPMMkOZsDA== X-Spam-Status: No, score=-0.2 required=5.0 tests=ARC_SIGNED,ARC_VALID, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_FROM, RCVD_IN_MSPIKE_H3,RCVD_IN_MSPIKE_WL,SPF_HELO_NONE,SPF_PASS autolearn=disabled version=4.0.0 X-Spam-Checker-Version: SpamAssassin 4.0.0 (2022-12-13) on lists.ozlabs.org From: Markus Elfring Date: Wed, 2 Oct 2024 21:50:27 +0200 An of_node_put(bk_node) call was immediately used after a pointer check for an of_get_property() call in this function implementation. Thus call such a function only once instead directly before the check. This issue was transformed by using the Coccinelle software. Signed-off-by: Markus Elfring --- arch/powerpc/platforms/powermac/backlight.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) -- 2.46.1 diff --git a/arch/powerpc/platforms/powermac/backlight.c b/arch/powerpc/platforms/powermac/backlight.c index 12bc01353bd3..d3666595a62e 100644 --- a/arch/powerpc/platforms/powermac/backlight.c +++ b/arch/powerpc/platforms/powermac/backlight.c @@ -61,11 +61,9 @@ int pmac_has_backlight_type(const char *type) if (bk_node) { const char *prop = of_get_property(bk_node, "backlight-control", NULL); - if (prop && strncmp(prop, type, strlen(type)) == 0) { - of_node_put(bk_node); - return 1; - } of_node_put(bk_node); + if (prop && strncmp(prop, type, strlen(type)) == 0) + return 1; } return 0;