diff options
Diffstat (limited to 'pkgs/patches-linux-5.15/0009-PCI-mvebu-Handle-invalid-size-of-read-config-request.patch')
| -rw-r--r-- | pkgs/patches-linux-5.15/0009-PCI-mvebu-Handle-invalid-size-of-read-config-request.patch | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/pkgs/patches-linux-5.15/0009-PCI-mvebu-Handle-invalid-size-of-read-config-request.patch b/pkgs/patches-linux-5.15/0009-PCI-mvebu-Handle-invalid-size-of-read-config-request.patch new file mode 100644 index 0000000..93aa727 --- /dev/null +++ b/pkgs/patches-linux-5.15/0009-PCI-mvebu-Handle-invalid-size-of-read-config-request.patch @@ -0,0 +1,35 @@ +From f117e4e1d4d4ba03cdf376392dc996e84c04ddb5 Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Pali=20Roh=C3=A1r?= <pali@kernel.org> +Date: Fri, 17 Sep 2021 13:13:52 +0200 +Subject: [PATCH 09/90] PCI: mvebu: Handle invalid size of read config request +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +Function mvebu_pcie_hw_rd_conf() does not handle invalid size. So correctly +set read value to all-ones and return appropriate error return value +PCIBIOS_BAD_REGISTER_NUMBER like in mvebu_pcie_hw_wr_conf() function. + +Signed-off-by: Pali Rohár <pali@kernel.org> +Cc: stable@vger.kernel.org +--- + drivers/pci/controller/pci-mvebu.c | 3 +++ + 1 file changed, 3 insertions(+) + +diff --git a/drivers/pci/controller/pci-mvebu.c b/drivers/pci/controller/pci-mvebu.c +index b0965067e4ce..5bf1889cfb38 100644 +--- a/drivers/pci/controller/pci-mvebu.c ++++ b/drivers/pci/controller/pci-mvebu.c +@@ -273,6 +273,9 @@ static int mvebu_pcie_hw_rd_conf(struct mvebu_pcie_port *port, + case 4: + *val = readl_relaxed(conf_data); + break; ++ default: ++ *val = 0xffffffff; ++ return PCIBIOS_BAD_REGISTER_NUMBER; + } + + return PCIBIOS_SUCCESSFUL; +-- +2.34.1 + |