{"id":2234846,"url":"http://patchwork.ozlabs.org/api/1.2/patches/2234846/?format=json","web_url":"http://patchwork.ozlabs.org/project/linux-gpio/patch/20260508061729.9530-4-mscardovi95@gmail.com/","project":{"id":42,"url":"http://patchwork.ozlabs.org/api/1.2/projects/42/?format=json","name":"Linux GPIO development","link_name":"linux-gpio","list_id":"linux-gpio.vger.kernel.org","list_email":"linux-gpio@vger.kernel.org","web_url":"","scm_url":"","webscm_url":"","list_archive_url":"","list_archive_url_format":"","commit_url_format":""},"msgid":"<20260508061729.9530-4-mscardovi95@gmail.com>","list_archive_url":null,"date":"2026-05-08T06:17:26","name":"[v4,3/6] gpio: acpi: ignore out-of-range pins in acpi_gpiochip_alloc_event()","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"1a0a113b61051dca7e65ee68f314ee5988cbef0e","submitter":{"id":93312,"url":"http://patchwork.ozlabs.org/api/1.2/people/93312/?format=json","name":"Marco Scardovi","email":"mscardovi95@gmail.com"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/linux-gpio/patch/20260508061729.9530-4-mscardovi95@gmail.com/mbox/","series":[{"id":503330,"url":"http://patchwork.ozlabs.org/api/1.2/series/503330/?format=json","web_url":"http://patchwork.ozlabs.org/project/linux-gpio/list/?series=503330","date":"2026-05-08T06:17:27","name":"gpio: acpi: modernize resource management using cleanup.h","version":4,"mbox":"http://patchwork.ozlabs.org/series/503330/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2234846/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2234846/checks/","tags":{},"related":[],"headers":{"Return-Path":"\n ","X-Original-To":["incoming@patchwork.ozlabs.org","linux-gpio@vger.kernel.org"],"Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256\n header.s=20251104 header.b=VHGrunoM;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org\n (client-ip=2600:3c04:e001:36c::12fc:5321; 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If the pin is\nout of range, an error is logged and the function returns early to\navoid invalid memory access.\n\nSigned-off-by: Marco Scardovi \n---\n drivers/gpio/gpiolib-acpi-core.c | 5 +++++\n 1 file changed, 5 insertions(+)","diff":"diff --git a/drivers/gpio/gpiolib-acpi-core.c b/drivers/gpio/gpiolib-acpi-core.c\nindex eb8a40cfb7a9..e53d68578024 100644\n--- a/drivers/gpio/gpiolib-acpi-core.c\n+++ b/drivers/gpio/gpiolib-acpi-core.c\n@@ -370,6 +370,11 @@ static acpi_status acpi_gpiochip_alloc_event(struct acpi_resource *ares,\n \thandle = ACPI_HANDLE(chip->parent);\n \tpin = agpio->pin_table[0];\n \n+\tif (pin >= chip->ngpio) {\n+\t\tdev_err(chip->parent, \"Failed to request GPIO for pin 0x%04X, out of range\\n\", pin);\n+\t\treturn AE_OK;\n+\t}\n+\n \tif (pin <= 255) {\n \t\tchar ev_name[8];\n \t\tsprintf(ev_name, \"_%c%02X\",\n","prefixes":["v4","3/6"]}