The branch main has been updated by kib:

URL: 
https://cgit.FreeBSD.org/src/commit/?id=439fa16e1fd35181898b61264b205bf3b7103a41

commit 439fa16e1fd35181898b61264b205bf3b7103a41
Author:     Konstantin Belousov <k...@freebsd.org>
AuthorDate: 2024-10-27 01:39:58 +0000
Commit:     Konstantin Belousov <k...@freebsd.org>
CommitDate: 2024-10-27 01:50:15 +0000

    x86: do not leak msi_lock in msix_alloc() on iommu remapping failure
    
    Sponsored by:   Advanced Micro Devices (AMD)
    Sponsored by:   The FreeBSD Foundation
    MFC after:      1 week
---
 sys/x86/x86/msi.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/sys/x86/x86/msi.c b/sys/x86/x86/msi.c
index c8e7db9469ed..9d5a51f9753c 100644
--- a/sys/x86/x86/msi.c
+++ b/sys/x86/x86/msi.c
@@ -723,6 +723,7 @@ again:
        if (error != 0) {
                msi->msi_dev = NULL;
                apic_free_vector(cpu, vector, i);
+               mtx_unlock(&msi_lock);
                return (error);
        }
        msi->msi_remap_cookie = cookie;

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