* [PATCH 2/3] pci init: fail qemu if devfn exceeding the max devices number supported on bus
[not found] <20100824062517.12408.45246.stgit@k1>
@ 2010-08-24 6:33 ` Ken CC
2010-08-24 6:34 ` [Qemu-devel] " Ken CC
1 sibling, 0 replies; 7+ messages in thread
From: Ken CC @ 2010-08-24 6:33 UTC (permalink / raw)
To: kvm; +Cc: yamahata, qemu-devel
assert(devfn < PCIBUS_MAX_DEVICES)
Signed-off-by: Ken CC <ken.ccao@gmail.com>
---
hw/pci.c | 1 +
1 files changed, 1 insertions(+), 0 deletions(-)
diff --git a/hw/pci.c b/hw/pci.c
index 02019a1..1e804da 100644
--- a/hw/pci.c
+++ b/hw/pci.c
@@ -747,6 +747,7 @@ static PCIDevice *do_pci_register_device(PCIDevice *pci_dev, PCIBus *bus,
PCIConfigWriteFunc *config_write,
bool is_bridge)
{
+ assert(devfn < PCIBUS_MAX_DEVICES);
if (devfn < 0) {
for(devfn = bus->devfn_min ; devfn < ARRAY_SIZE(bus->devices);
devfn += PCI_FUNC_MAX) {
^ permalink raw reply related [flat|nested] 7+ messages in thread
* [Qemu-devel] [PATCH 2/3] pci init: fail qemu if devfn exceeding the max devices number supported on bus
@ 2010-08-24 6:33 ` Ken CC
0 siblings, 0 replies; 7+ messages in thread
From: Ken CC @ 2010-08-24 6:33 UTC (permalink / raw)
To: kvm; +Cc: yamahata, qemu-devel
assert(devfn < PCIBUS_MAX_DEVICES)
Signed-off-by: Ken CC <ken.ccao@gmail.com>
---
hw/pci.c | 1 +
1 files changed, 1 insertions(+), 0 deletions(-)
diff --git a/hw/pci.c b/hw/pci.c
index 02019a1..1e804da 100644
--- a/hw/pci.c
+++ b/hw/pci.c
@@ -747,6 +747,7 @@ static PCIDevice *do_pci_register_device(PCIDevice *pci_dev, PCIBus *bus,
PCIConfigWriteFunc *config_write,
bool is_bridge)
{
+ assert(devfn < PCIBUS_MAX_DEVICES);
if (devfn < 0) {
for(devfn = bus->devfn_min ; devfn < ARRAY_SIZE(bus->devices);
devfn += PCI_FUNC_MAX) {
^ permalink raw reply related [flat|nested] 7+ messages in thread
* [PATCH 3/3] Check pci slot number in parse_pci_devfn
[not found] <20100824062517.12408.45246.stgit@k1>
@ 2010-08-24 6:34 ` Ken CC
2010-08-24 6:34 ` [Qemu-devel] " Ken CC
1 sibling, 0 replies; 7+ messages in thread
From: Ken CC @ 2010-08-24 6:34 UTC (permalink / raw)
To: kvm; +Cc: yamahata, qemu-devel
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;
^ permalink raw reply related [flat|nested] 7+ messages in thread
* [Qemu-devel] [PATCH 3/3] Check pci slot number in parse_pci_devfn
@ 2010-08-24 6:34 ` Ken CC
0 siblings, 0 replies; 7+ messages in thread
From: Ken CC @ 2010-08-24 6:34 UTC (permalink / raw)
To: kvm; +Cc: yamahata, qemu-devel
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;
^ permalink raw reply related [flat|nested] 7+ messages in thread
* Re: [PATCH 2/3] pci init: fail qemu if devfn exceeding the max devices number supported on bus
2010-08-24 6:33 ` [Qemu-devel] " Ken CC
@ 2010-08-24 6:51 ` Ken CC
-1 siblings, 0 replies; 7+ messages in thread
From: Ken CC @ 2010-08-24 6:51 UTC (permalink / raw)
To: kvm; +Cc: yamahata, qemu-devel
broken thread, please ignore.
On Tue, Aug 24, 2010 at 02:33:51PM +0800, Ken CC wrote:
> assert(devfn < PCIBUS_MAX_DEVICES)
>
> Signed-off-by: Ken CC <ken.ccao@gmail.com>
> ---
> hw/pci.c | 1 +
> 1 files changed, 1 insertions(+), 0 deletions(-)
>
> diff --git a/hw/pci.c b/hw/pci.c
> index 02019a1..1e804da 100644
> --- a/hw/pci.c
> +++ b/hw/pci.c
> @@ -747,6 +747,7 @@ static PCIDevice *do_pci_register_device(PCIDevice *pci_dev, PCIBus *bus,
> PCIConfigWriteFunc *config_write,
> bool is_bridge)
> {
> + assert(devfn < PCIBUS_MAX_DEVICES);
> if (devfn < 0) {
> for(devfn = bus->devfn_min ; devfn < ARRAY_SIZE(bus->devices);
> devfn += PCI_FUNC_MAX) {
>
> --
> To unsubscribe from this list: send the line "unsubscribe kvm" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at http://vger.kernel.org/majordomo-info.html
--
^ permalink raw reply [flat|nested] 7+ messages in thread
* [Qemu-devel] Re: [PATCH 2/3] pci init: fail qemu if devfn exceeding the max devices number supported on bus
@ 2010-08-24 6:51 ` Ken CC
0 siblings, 0 replies; 7+ messages in thread
From: Ken CC @ 2010-08-24 6:51 UTC (permalink / raw)
To: kvm; +Cc: yamahata, qemu-devel
broken thread, please ignore.
On Tue, Aug 24, 2010 at 02:33:51PM +0800, Ken CC wrote:
> assert(devfn < PCIBUS_MAX_DEVICES)
>
> Signed-off-by: Ken CC <ken.ccao@gmail.com>
> ---
> hw/pci.c | 1 +
> 1 files changed, 1 insertions(+), 0 deletions(-)
>
> diff --git a/hw/pci.c b/hw/pci.c
> index 02019a1..1e804da 100644
> --- a/hw/pci.c
> +++ b/hw/pci.c
> @@ -747,6 +747,7 @@ static PCIDevice *do_pci_register_device(PCIDevice *pci_dev, PCIBus *bus,
> PCIConfigWriteFunc *config_write,
> bool is_bridge)
> {
> + assert(devfn < PCIBUS_MAX_DEVICES);
> if (devfn < 0) {
> for(devfn = bus->devfn_min ; devfn < ARRAY_SIZE(bus->devices);
> devfn += PCI_FUNC_MAX) {
>
> --
> To unsubscribe from this list: send the line "unsubscribe kvm" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at http://vger.kernel.org/majordomo-info.html
--
^ permalink raw reply [flat|nested] 7+ messages in thread
* [PATCH 3/3] Check pci slot number in parse_pci_devfn
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 6:49 ` Ken CC
0 siblings, 0 replies; 7+ messages in thread
From: Ken CC @ 2010-08-24 6:49 UTC (permalink / raw)
To: kvm; +Cc: yamahata, qemu-devel
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;
^ permalink raw reply related [flat|nested] 7+ messages in thread
end of thread, other threads:[~2010-08-24 6:52 UTC | newest]
Thread overview: 7+ messages (download: mbox.gz / follow: Atom feed)
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[not found] <20100824062517.12408.45246.stgit@k1>
2010-08-24 6:33 ` [PATCH 2/3] pci init: fail qemu if devfn exceeding the max devices number supported on bus Ken CC
2010-08-24 6:33 ` [Qemu-devel] " Ken CC
2010-08-24 6:51 ` Ken CC
2010-08-24 6:51 ` [Qemu-devel] " Ken CC
2010-08-24 6:34 ` [PATCH 3/3] Check pci slot number in parse_pci_devfn Ken CC
2010-08-24 6:34 ` [Qemu-devel] " Ken CC
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 6:49 ` [PATCH 3/3] Check pci slot number in parse_pci_devfn Ken CC
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