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Driver core fixes for 7.3-rc2

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- Fix kernfs listxattr() not returning security xattr names (e.g.
   SELinux labels) when the kernfs node has no allocated kernfs_iattrs
 
 - Fix silent truncation of IRQ vector indices in the Rust PCI
   abstractions
 
 - Don't select OF from DRIVER_PE_KUNIT_TEST; skip the test when OF is
   disabled instead of silently enabling extra kernel functionality
 
 - Russ Weight is retiring from kernel development; update the Firmware
   Loader sysfs contact to the driver-core mailing list, add a CREDITS
   entry for Firmware Upload, and update MAINTAINERS accordingly
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Merge tag 'driver-core-7.3-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/driver-core/driver-core

Pull driver core fixes from Danilo Krummrich:

 - Fix kernfs listxattr() not returning security xattr names (e.g.
   SELinux labels) when the kernfs node has no allocated kernfs_iattrs

 - Fix silent truncation of IRQ vector indices in the Rust PCI
   abstractions

 - Don't select OF from DRIVER_PE_KUNIT_TEST; skip the test when OF is
   disabled instead of silently enabling extra kernel functionality

 - Russ Weight is retiring from kernel development; update the Firmware
   Loader sysfs contact to the driver-core mailing list, add a CREDITS
   entry for Firmware Upload, and update MAINTAINERS accordingly

* tag 'driver-core-7.3-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/driver-core/driver-core:
  MAINTAINERS: Remove Russ Weight from Firmware Loader
  CREDITS: Add CREDITS entry for Firmware Upload
  firmware_loader: Change contact for sysfs nodes
  rust: pci: reject IRQ vector indices that do not fit in u32
  kernfs: preserve security xattrs without allocating iattrs
  drivers: base: test: DRIVER_PE_KUNIT_TEST should not select OF
This commit is contained in:
Linus Torvalds 2026-09-05 11:59:05 -07:00
commit 9f0346dcbe
7 changed files with 18 additions and 13 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
CREDITS
View File

@ -4309,6 +4309,10 @@ N: Juergen Weigert
E: jnweiger@immd4.informatik.uni-erlangen.de
D: The Linux Support Team Erlangen
N: Russ Weight
E: russ.weight@gmail.com
D: Added support for Firmware Upload to the Firmware Loader
N: David Weinehall
E: tao@acc.umu.se
P: 1024D/DC47CA16 7ACE 0FB0 7A74 F994 9B36 E1D1 D14E 8526 DC47 CA16

14
Documentation/ABI/testing/sysfs-class-firmware
View File

@ -1,7 +1,7 @@
What: /sys/class/firmware/.../data
Date: July 2022
KernelVersion: 5.19
Contact: Russ Weight <russ.weight@linux.dev>
Contact: driver-core@lists.linux.dev
Description: The data sysfs file is used for firmware-fallback and for
firmware uploads. Cat a firmware image to this sysfs file
after you echo 1 to the loading sysfs file. When the firmware
@ -13,7 +13,7 @@ Description: The data sysfs file is used for firmware-fallback and for
What: /sys/class/firmware/.../cancel
Date: July 2022
KernelVersion: 5.19
Contact: Russ Weight <russ.weight@linux.dev>
Contact: driver-core@lists.linux.dev
Description: Write-only. For firmware uploads, write a "1" to this file to
request that the transfer of firmware data to the lower-level
device be canceled. This request will be rejected (EBUSY) if
@ -23,7 +23,7 @@ Description: Write-only. For firmware uploads, write a "1" to this file to
What: /sys/class/firmware/.../error
Date: July 2022
KernelVersion: 5.19
Contact: Russ Weight <russ.weight@linux.dev>
Contact: driver-core@lists.linux.dev
Description: Read-only. Returns a string describing a failed firmware
upload. This string will be in the form of <STATUS>:<ERROR>,
where <STATUS> will be one of the status strings described
@ -37,7 +37,7 @@ Description: Read-only. Returns a string describing a failed firmware
What: /sys/class/firmware/.../loading
Date: July 2022
KernelVersion: 5.19
Contact: Russ Weight <russ.weight@linux.dev>
Contact: driver-core@lists.linux.dev
Description: The loading sysfs file is used for both firmware-fallback and
for firmware uploads. Echo 1 onto the loading file to indicate
you are writing a firmware file to the data sysfs node. Echo
@ -49,7 +49,7 @@ Description: The loading sysfs file is used for both firmware-fallback and
What: /sys/class/firmware/.../remaining_size
Date: July 2022
KernelVersion: 5.19
Contact: Russ Weight <russ.weight@linux.dev>
Contact: driver-core@lists.linux.dev
Description: Read-only. For firmware upload, this file contains the size
of the firmware data that remains to be transferred to the
lower-level device driver. The size value is initialized to
@ -62,7 +62,7 @@ Description: Read-only. For firmware upload, this file contains the size
What: /sys/class/firmware/.../status
Date: July 2022
KernelVersion: 5.19
Contact: Russ Weight <russ.weight@linux.dev>
Contact: driver-core@lists.linux.dev
Description: Read-only. Returns a string describing the current status of
a firmware upload. The string will be one of the following:
idle, "receiving", "preparing", "transferring", "programming".
@ -70,7 +70,7 @@ Description: Read-only. Returns a string describing the current status of
What: /sys/class/firmware/.../timeout
Date: July 2022
KernelVersion: 5.19
Contact: Russ Weight <russ.weight@linux.dev>
Contact: driver-core@lists.linux.dev
Description: This file supports the timeout mechanism for firmware
fallback. This file has no affect on firmware uploads. For
more information on timeouts please see the documentation

1
MAINTAINERS
View File

@ -10190,7 +10190,6 @@ F: include/linux/arm_ffa.h
FIRMWARE LOADER (request_firmware)
M: Luis Chamberlain <mcgrof@kernel.org>
M: Russ Weight <russ.weight@linux.dev>
M: Danilo Krummrich <dakr@kernel.org>
L: driver-core@lists.linux.dev
S: Maintained

1
drivers/base/test/Kconfig
View File

@ -17,7 +17,6 @@ config DM_KUNIT_TEST
config DRIVER_PE_KUNIT_TEST
tristate "KUnit Tests for property entry API" if !KUNIT_ALL_TESTS
depends on KUNIT
select OF
default KUNIT_ALL_TESTS
config DRIVER_SWNODE_KUNIT_TEST

3
drivers/base/test/property-entry-test.c
View File

@ -523,6 +523,9 @@ static void pe_test_child_iteration(struct kunit *test)
struct fwnode_handle *child;
int error, i, num;
if (!IS_ENABLED(CONFIG_OF))
kunit_skip(test, "requires CONFIG_OF");
static const struct software_node node = { .name = "sw" };
static const struct software_node node1 = { .name = "sw-1", .parent = &node};
static const struct software_node node2 = { .name = "sw-2", .parent = &node};

4
fs/kernfs/inode.c
View File

@ -142,10 +142,8 @@ ssize_t kernfs_iop_listxattr(struct dentry *dentry, char *buf, size_t size)
struct kernfs_iattrs *attrs;
attrs = kernfs_iattrs_noalloc(kn);
if (!attrs)
return 0;
return simple_xattr_list(d_inode(dentry), &attrs->xattrs, buf, size);
return simple_xattr_list(d_inode(dentry), attrs ? &attrs->xattrs : NULL, buf, size);
}
static inline void set_default_inode_attr(struct inode *inode, umode_t mode)

4
rust/kernel/pci/irq.rs
View File

@ -151,8 +151,10 @@ pub fn irq_type(&self) -> IrqType {
/// [`Self::len()`].
#[inline]
pub fn index(&self, index: usize) -> Result<IrqVector<'_>> {
let index = u32::try_from(index)?;
// SAFETY: `self.dev.as_raw()` is a valid pointer to a `struct pci_dev`.
let irq = unsafe { bindings::pci_irq_vector(self.dev.as_raw(), index as u32) };
let irq = unsafe { bindings::pci_irq_vector(self.dev.as_raw(), index) };
if irq < 0 {
return Err(Error::from_errno(irq));
}