{"id":2197770,"url":"http://patchwork.ozlabs.org/api/1.0/patches/2197770/?format=json","project":{"id":28,"url":"http://patchwork.ozlabs.org/api/1.0/projects/28/?format=json","name":"Linux PCI development","link_name":"linux-pci","list_id":"linux-pci.vger.kernel.org","list_email":"linux-pci@vger.kernel.org","web_url":null,"scm_url":null,"webscm_url":null},"msgid":"<20260218134633.461181-2-Simon.Richter@hogyros.de>","date":"2026-02-18T13:46:29","name":"[v2,1/5] vgaarb: pass vga_get errors to userspace","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"41b7dd3fb9178a3aef35156237df0bd51892ac4d","submitter":{"id":91044,"url":"http://patchwork.ozlabs.org/api/1.0/people/91044/?format=json","name":"Simon Richter","email":"Simon.Richter@hogyros.de"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/linux-pci/patch/20260218134633.461181-2-Simon.Richter@hogyros.de/mbox/","series":[{"id":492553,"url":"http://patchwork.ozlabs.org/api/1.0/series/492553/?format=json","date":"2026-02-18T13:46:28","name":"Bridges without VGA support","version":2,"mbox":"http://patchwork.ozlabs.org/series/492553/mbox/"}],"check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2197770/checks/","tags":{},"headers":{"Return-Path":"\n ","X-Original-To":["incoming@patchwork.ozlabs.org","linux-pci@vger.kernel.org"],"Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["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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smtp.subspace.kernel.org;\n dmarc=none (p=none dis=none) header.from=hogyros.de;\n spf=pass smtp.mailfrom=hogyros.de; arc=none smtp.client-ip=185.187.169.70","From":"Simon Richter ","To":"linux-pci@vger.kernel.org","Cc":"intel-xe@lists.freedesktop.org,\n\tdri-devel@lists.freedesktop.org,\n\tSimon Richter ","Subject":"[PATCH v2 1/5] vgaarb: pass vga_get errors to userspace","Date":"Wed, 18 Feb 2026 22:46:29 +0900","Message-ID":"<20260218134633.461181-2-Simon.Richter@hogyros.de>","X-Mailer":"git-send-email 2.47.3","In-Reply-To":"<20260218134633.461181-1-Simon.Richter@hogyros.de>","References":"<20260217170419.236739-1-Simon.Richter@hogyros.de>\n <20260218134633.461181-1-Simon.Richter@hogyros.de>","Precedence":"bulk","X-Mailing-List":"linux-pci@vger.kernel.org","List-Id":"","List-Subscribe":"","List-Unsubscribe":"","MIME-Version":"1.0","Content-Transfer-Encoding":"8bit"},"content":"If vga_get fails, return the error code via the write syscall.\n\nSigned-off-by: Simon Richter \n---\n drivers/pci/vgaarb.c | 7 ++++++-\n 1 file changed, 6 insertions(+), 1 deletion(-)","diff":"diff --git a/drivers/pci/vgaarb.c b/drivers/pci/vgaarb.c\nindex 87143e235033..188885d30d41 100644\n--- a/drivers/pci/vgaarb.c\n+++ b/drivers/pci/vgaarb.c\n@@ -1134,6 +1134,7 @@ static ssize_t vga_arb_write(struct file *file, const char __user *buf,\n \tchar kbuf[64], *curr_pos;\n \tsize_t remaining = count;\n \n+\tint err;\n \tint ret_val;\n \tint i;\n \n@@ -1165,7 +1166,11 @@ static ssize_t vga_arb_write(struct file *file, const char __user *buf,\n \t\t\tgoto done;\n \t\t}\n \n-\t\tvga_get_uninterruptible(pdev, io_state);\n+\t\terr = vga_get_uninterruptible(pdev, io_state);\n+\t\tif (unlikely(err)) {\n+\t\t\tret_val = err;\n+\t\t\tgoto done;\n+\t\t}\n \n \t\t/* Update the client's locks lists */\n \t\tfor (i = 0; i < MAX_USER_CARDS; i++) {\n","prefixes":["v2","1/5"]}