[Bug 262899] [PATCH]if_axgbe: properly release resource in error case

From: <bugzilla-noreply_at_freebsd.org>
Date: Tue, 29 Mar 2022 06:14:18 UTC 
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=262899

            Bug ID: 262899
           Summary: [PATCH]if_axgbe: properly release resource in error
                    case
           Product: Base System
           Version: CURRENT
          Hardware: Any
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: kern
          Assignee: bugs@FreeBSD.org
          Reporter: ztong0001@gmail.com

Created attachment 232794
  --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=232794&action=edit
patch

The allocated resources should be properly released on error case,
otherwise kernel will print

ax0: Invalid mac address
ax0: IFDI_ATTACH_PRE failed 22
device_attach: ax0 attach returned 22
pci0:1:0:0: Device leaked memory resources


This patch is also submitted on GitHub and Phabricator
https://reviews.freebsd.org/D34628
https://github.com/freebsd/freebsd-src/pull/593

Thanks,
- Tong

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