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([2409:40c0:101c:99b7:922e:40e8:90eb:e462]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-21f3683d718sm77534305ad.154.2025.02.10.05.27.51 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 10 Feb 2025 05:27:54 -0800 (PST) From: Purva Yeshi To: bhelgaas@google.com Cc: skhan@linuxfoundation.org, linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org, Purva Yeshi Subject: [PATCH] drivers: pci: Fix flexible array usage Date: Mon, 10 Feb 2025 18:57:40 +0530 Message-Id: <20250210132740.20068-1-purvayeshi550@gmail.com> X-Mailer: git-send-email 2.34.1 Precedence: bulk X-Mailing-List: linux-pci@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Fix warning detected by smatch tool: Array of flexible structure occurs in 'pci_saved_state' struct The warning occurs because struct pci_saved_state contains struct pci_cap_saved_data cap[], where cap[] has a flexible array member (data[]). Arrays of structures with flexible members are not allowed, leading to this warning. Replaced cap[] with a pointer (*cap), allowing dynamic memory allocation instead of embedding an invalid array of flexible structures. Signed-off-by: Purva Yeshi --- drivers/pci/pci.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index 869d204a7..648a080ef 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -1929,7 +1929,7 @@ EXPORT_SYMBOL(pci_restore_state); struct pci_saved_state { u32 config_space[16]; - struct pci_cap_saved_data cap[]; + struct pci_cap_saved_data *cap; }; /**