git: nvmm(4): Fix hmapping leak on HVA mapping failure

[Aaron LI]

commit 064dc45e4d2ffe5b8bdb8530772805a9d0b4f78d
Author: Aaron LI <aly at aaronly.me>
Date:   Sun Aug 30 23:25:40 2026 +0800

    nvmm(4): Fix hmapping leak on HVA mapping failure
    
    Free the hmapping if the HVA mapping fails. Otherwise, after
    NVMM_MAX_HMAPPINGS (32) failures no hmappings are available anymore. The
    emulator can't establish additional mappings and has to destroy the
    machine (which releases the hmappings).
    
    Obtained-from: NVMM Reference Implementation

Summary of changes:
 sys/dev/virtual/nvmm/nvmm.c | 21 +++++++++++++++------
 1 file changed, 15 insertions(+), 6 deletions(-)

http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/064dc45e4d2ffe5b8bdb8530772805a9d0b4f78d


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