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firewire fixes for 6.7-rc4

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This pull request includes a single patch to fix long-standing issue of
 memory leak at failure of device registration for fw_unit. We rarely
 encounter the issue, while it should be applied to stable releases, since
 it fixes inappropriate API usage.
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Merge tag 'firewire-fixes-6.7-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394

Pull firewire fix from Takashi Sakamoto:
 "A single patch to fix long-standing issue of memory leak at failure of
  device registration for fw_unit. We rarely encounter the issue, but it
  should be applied to stable releases, since it fixes inappropriate API
  usage"

* tag 'firewire-fixes-6.7-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394:
  firewire: core: fix possible memory leak in create_units()
This commit is contained in:
Linus Torvalds 2023-12-03 09:03:07 +09:00
commit 55abae438c
1 changed files with 4 additions and 7 deletions
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11
drivers/firewire/core-device.c
View File

@ -717,14 +717,11 @@ static void create_units(struct fw_device *device)
fw_unit_attributes,
&unit->attribute_group);
if (device_register(&unit->device) < 0)
goto skip_unit;
fw_device_get(device);
continue;
skip_unit:
kfree(unit);
if (device_register(&unit->device) < 0) {
put_device(&unit->device);
continue;
}
}
}