From: Ken CC <ken.ccao@gmail.com> To: kvm@vger.kernel.org Cc: yamahata@valinux.co.jp, qemu-devel@nongnu.org Subject: [PATCH 3/3] Check pci slot number in parse_pci_devfn Date: Tue, 24 Aug 2010 14:49:27 +0800 [thread overview] Message-ID: <20100824064927.GB11495@kt> (raw) In-Reply-To: <20100824063307.GA10815@kt> Define MAX_PCI_SLOTS as 0x1f, if pci addr provided from command line is bigger than 0x1f, return error -EINVAL. 0x1f << 3 | 7 == 255 (PCIBUS_MAX_DEVICES - 1) Signed-off-by: Ken CC <ken.ccao@gmail.com> --- hw/qdev-properties.c | 2 ++ hw/qdev.h | 3 +++ 2 files changed, 5 insertions(+), 0 deletions(-) diff --git a/hw/qdev-properties.c b/hw/qdev-properties.c index 9219cd7..96d814c 100644 --- a/hw/qdev-properties.c +++ b/hw/qdev-properties.c @@ -514,6 +514,8 @@ static int parse_pci_devfn(DeviceState *dev, Property *prop, const char *str) return -EINVAL; } } + if (slot > MAX_PCI_SLOTS) + return -EINVAL; if (str[n] != '\0') return -EINVAL; if (fn > 7) diff --git a/hw/qdev.h b/hw/qdev.h index 678f8b7..fcfe52e 100644 --- a/hw/qdev.h +++ b/hw/qdev.h @@ -7,6 +7,9 @@ #include "qemu-char.h" #include "qemu-option.h" + +#define MAX_PCI_SLOTS 0x1f + typedef struct Property Property; typedef struct PropertyInfo PropertyInfo;
WARNING: multiple messages have this Message-ID (diff)
From: Ken CC <ken.ccao@gmail.com> To: kvm@vger.kernel.org Cc: yamahata@valinux.co.jp, qemu-devel@nongnu.org Subject: [Qemu-devel] [PATCH 3/3] Check pci slot number in parse_pci_devfn Date: Tue, 24 Aug 2010 14:49:27 +0800 [thread overview] Message-ID: <20100824064927.GB11495@kt> (raw) In-Reply-To: <20100824063307.GA10815@kt> Define MAX_PCI_SLOTS as 0x1f, if pci addr provided from command line is bigger than 0x1f, return error -EINVAL. 0x1f << 3 | 7 == 255 (PCIBUS_MAX_DEVICES - 1) Signed-off-by: Ken CC <ken.ccao@gmail.com> --- hw/qdev-properties.c | 2 ++ hw/qdev.h | 3 +++ 2 files changed, 5 insertions(+), 0 deletions(-) diff --git a/hw/qdev-properties.c b/hw/qdev-properties.c index 9219cd7..96d814c 100644 --- a/hw/qdev-properties.c +++ b/hw/qdev-properties.c @@ -514,6 +514,8 @@ static int parse_pci_devfn(DeviceState *dev, Property *prop, const char *str) return -EINVAL; } } + if (slot > MAX_PCI_SLOTS) + return -EINVAL; if (str[n] != '\0') return -EINVAL; if (fn > 7) diff --git a/hw/qdev.h b/hw/qdev.h index 678f8b7..fcfe52e 100644 --- a/hw/qdev.h +++ b/hw/qdev.h @@ -7,6 +7,9 @@ #include "qemu-char.h" #include "qemu-option.h" + +#define MAX_PCI_SLOTS 0x1f + typedef struct Property Property; typedef struct PropertyInfo PropertyInfo;
next prev parent reply other threads:[~2010-08-24 6:49 UTC|newest] Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top 2010-08-24 6:33 [PATCH 1/3] PCI: define max devices number on PCIBus as PCIBUS_MAX_DEVICES in pci.h Ken CC 2010-08-24 6:33 ` [Qemu-devel] " Ken CC 2010-08-24 6:48 ` [PATCH 2/3] pci init: fail qemu if devfn exceeding the max devices number supported on bus Ken CC 2010-08-24 6:48 ` [Qemu-devel] " Ken CC 2010-08-24 6:49 ` Ken CC [this message] 2010-08-24 6:49 ` [Qemu-devel] [PATCH 3/3] Check pci slot number in parse_pci_devfn Ken CC 2010-08-24 11:35 ` Isaku Yamahata 2010-08-24 11:35 ` Isaku Yamahata 2010-08-24 11:42 ` Avi Kivity 2010-08-24 11:42 ` Avi Kivity 2010-08-24 12:07 ` Isaku Yamahata 2010-08-24 12:07 ` Isaku Yamahata 2010-08-24 12:04 ` Avi Kivity 2010-08-24 12:04 ` Avi Kivity 2010-08-24 12:16 ` Chen Cao 2010-08-24 12:16 ` Chen Cao 2010-08-24 12:19 ` Avi Kivity 2010-08-24 12:19 ` Avi Kivity 2010-08-24 12:24 ` Isaku Yamahata 2010-08-24 12:24 ` Isaku Yamahata 2010-08-24 12:16 ` Avi Kivity 2010-08-24 12:16 ` Avi Kivity [not found] <20100824062517.12408.45246.stgit@k1> 2010-08-24 6:34 ` Ken CC
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