__pci_read_base() sets resource start and end addresses when resource
is larger than 4G but pci_bus_addr_t or resource_size_t are not capable
of representing 64-bit PCI addresses. This creates a problematic
resource that has non-zero flags but the start and end addresses do not
yield to resource size of 0 but 1.
Replace custom resource addresses setup with resource_set_range()
that correctly sets end address as -1 which results in resource_size()
returning 0.
For consistency, also use resource_set_range() in the other branch that
does size based resource setup.
Fixes: 23b13bc76f35 ("PCI: Fail safely if we can't handle BARs larger than 4GB")
Link: https://lore.kernel.org/all/20251207215359.28895-1-ansuelsmth@gmail.com/T/#…
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen(a)linux.intel.com>
Cc: stable(a)vger.kernel.org
Cc: Christian Marangi <ansuelsmth(a)gmail.com>
---
drivers/pci/probe.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)
diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index 124d2d309c58..b8294a2f11f9 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -287,8 +287,7 @@ int __pci_read_base(struct pci_dev *dev, enum pci_bar_type type,
if ((sizeof(pci_bus_addr_t) < 8 || sizeof(resource_size_t) < 8)
&& sz64 > 0x100000000ULL) {
res->flags |= IORESOURCE_UNSET | IORESOURCE_DISABLED;
- res->start = 0;
- res->end = 0;
+ resource_set_range(res, 0, 0);
pci_err(dev, "%s: can't handle BAR larger than 4GB (size %#010llx)\n",
res_name, (unsigned long long)sz64);
goto out;
@@ -297,8 +296,7 @@ int __pci_read_base(struct pci_dev *dev, enum pci_bar_type type,
if ((sizeof(pci_bus_addr_t) < 8) && l) {
/* Above 32-bit boundary; try to reallocate */
res->flags |= IORESOURCE_UNSET;
- res->start = 0;
- res->end = sz64 - 1;
+ resource_set_range(res, 0, sz64);
pci_info(dev, "%s: can't handle BAR above 4GB (bus address %#010llx)\n",
res_name, (unsigned long long)l64);
goto out;
base-commit: 43dfc13ca972988e620a6edb72956981b75ab6b0
--
2.39.5
¿Cuánto cuesta una mala contratación?
body {
margin: 0;
padding: 0;
font-family: Arial, Helvetica, sans-serif;
font-size: 14px;
color: #333;
background-color: #ffffff;
}
table {
border-spacing: 0;
width: 100%;
max-width: 600px;
margin: auto;
}
td {
padding: 12px 20px;
}
a {
color: #1a73e8;
text-decoration: none;
}
.footer {
font-size: 12px;
color: #888888;
text-align: center;
}
Una mala contratación cuesta 3X el salario. Evítalo con datos, no percepciones.
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Hello,
On Sat, Nov 15, 2025 at 10:59:38AM +0100, Fernando Fernandez Mancera wrote:
> When an IPv6 Router Advertisement (RA) is received for a prefix, the
> kernel creates the corresponding on-link route with flags RTF_ADDRCONF
> and RTF_PREFIX_RT configured and RTF_EXPIRES if lifetime is set.
>
> If later a user configures a static IPv6 address on the same prefix the
> kernel clears the RTF_EXPIRES flag but it doesn't clear the RTF_ADDRCONF
> and RTF_PREFIX_RT. When the next RA for that prefix is received, the
> kernel sees the route as RA-learned and wrongly configures back the
> lifetime. This is problematic because if the route expires, the static
> address won't have the corresponding on-link route.
>
> This fix clears the RTF_ADDRCONF and RTF_PREFIX_RT flags preventing that
> the lifetime is configured when the next RA arrives. If the static
> address is deleted, the route becomes RA-learned again.
>
> Fixes: 14ef37b6d00e ("ipv6: fix route lookup in addrconf_prefix_rcv()")
> Reported-by: Garri Djavadyan <g.djavadyan(a)gmail.com>
> Closes: https://lore.kernel.org/netdev/ba807d39aca5b4dcf395cc11dca61a130a52cfd3.cam…
> Signed-off-by: Fernando Fernandez Mancera <fmancera(a)suse.de>
this commit is in the mainline now as
f72514b3c5698e4b900b25345e09f9ed33123de6 and is supposed to fix
https://bugs.debian.org/1117959.
I would have expected this to get backported to stable (here: 6.12.x),
but it's not in the list for 6.12.62-rc1[1].
Can we please have this patch backported?
[1] https://lore.kernel.org/all/20251210072948.125620687@linuxfoundation.org/
Thanks
Uwe
of_get_child_by_name() returns a node pointer with refcount incremented.
Use the __free() attribute to manage the pgc_node reference, ensuring
automatic of_node_put() cleanup when pgc_node goes out of scope.
This eliminates the need for explicit error handling paths and avoids
reference count leaks.
Fixes: 721cabf6c660 ("soc: imx: move PGC handling to a new GPC driver")
Cc: stable(a)vger.kernel.org
Signed-off-by: Wentao Liang <vulab(a)iscas.ac.cn>
---
Change in V3:
- Ensure variable is assigned when using cleanup attribute
Change in V2:
- Use __free() attribute instead of explicit of_node_put() calls
---
drivers/pmdomain/imx/gpc.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/drivers/pmdomain/imx/gpc.c b/drivers/pmdomain/imx/gpc.c
index f18c7e6e75dd..0fb3250dbf5f 100644
--- a/drivers/pmdomain/imx/gpc.c
+++ b/drivers/pmdomain/imx/gpc.c
@@ -403,13 +403,12 @@ static int imx_gpc_old_dt_init(struct device *dev, struct regmap *regmap,
static int imx_gpc_probe(struct platform_device *pdev)
{
const struct imx_gpc_dt_data *of_id_data = device_get_match_data(&pdev->dev);
- struct device_node *pgc_node;
+ struct device_node *pgc_node __free(pgc_node)
+ = of_get_child_by_name(pdev->dev.of_node, "pgc");
struct regmap *regmap;
void __iomem *base;
int ret;
- pgc_node = of_get_child_by_name(pdev->dev.of_node, "pgc");
-
/* bail out if DT too old and doesn't provide the necessary info */
if (!of_property_present(pdev->dev.of_node, "#power-domain-cells") &&
!pgc_node)
--
2.34.1
If the ufs resume fails, the event history is updated in ufshcd_resume,
but there is no code anywhere to record ufs suspend. Therefore, add code
to record ufs suspend error event history.
Fixes: dd11376b9f1b ("scsi: ufs: Split the drivers/scsi/ufs directory")
Cc: stable(a)vger.kernel.org
Signed-off-by: Seunghwan Baek <sh8267.baek(a)samsung.com>
---
drivers/ufs/core/ufshcd.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/ufs/core/ufshcd.c b/drivers/ufs/core/ufshcd.c
index 040a0ceb170a..6bb2781aefc7 100644
--- a/drivers/ufs/core/ufshcd.c
+++ b/drivers/ufs/core/ufshcd.c
@@ -10337,7 +10337,7 @@ static int ufshcd_suspend(struct ufs_hba *hba)
ret = ufshcd_setup_clocks(hba, false);
if (ret) {
ufshcd_enable_irq(hba);
- return ret;
+ goto out;
}
if (ufshcd_is_clkgating_allowed(hba)) {
hba->clk_gating.state = CLKS_OFF;
@@ -10349,6 +10349,9 @@ static int ufshcd_suspend(struct ufs_hba *hba)
/* Put the host controller in low power mode if possible */
ufshcd_hba_vreg_set_lpm(hba);
ufshcd_pm_qos_update(hba, false);
+out:
+ if (ret)
+ ufshcd_update_evt_hist(hba, UFS_EVT_SUSPEND_ERR, (u32)ret);
return ret;
}
--
2.43.0