git: 31c2290fc109 - releng/14.5 - if_vmx: fix panic during kldload

The branch releng/14.5 has been updated by cperciva:

URL: https://cgit.FreeBSD.org/src/commit/?id=31c2290fc1098248600a444c85194943eb08ee9e

commit 31c2290fc1098248600a444c85194943eb08ee9e
Author:     Eric van Gyzen <[email protected]>
AuthorDate: 2025-10-04 12:23:41 +0000
Commit:     Colin Percival <[email protected]>
CommitDate: 2026-08-18 01:27:46 +0000

    if_vmx: fix panic during kldload
    
    Just like vmxnet3_intr_disable_all, iflib may invoke this routine
    before vmxnet3_attach_post() has run, which is before the top-level
    shared data area is initialized and the device made aware of it.
    
    Approved by:    re (cperciva)
    PR:             294312
    Sponsored by:   Dell Inc.
    
    (cherry picked from commit 01b0690c495e1043a72cae9ee945f9f2c2adc216)
    (cherry picked from commit 065396e09e41d6932ef726053bed97aed6e022e1)
---
 sys/dev/vmware/vmxnet3/if_vmx.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/sys/dev/vmware/vmxnet3/if_vmx.c b/sys/dev/vmware/vmxnet3/if_vmx.c
index fdcad0dd4bba..92aee7f44338 100644
--- a/sys/dev/vmware/vmxnet3/if_vmx.c
+++ b/sys/dev/vmware/vmxnet3/if_vmx.c
@@ -2055,7 +2055,12 @@ vmxnet3_update_admin_status(if_ctx_t ctx)
 	struct vmxnet3_softc *sc;
 
 	sc = iflib_get_softc(ctx);
-	if (sc->vmx_ds->event != 0)
+	/*
+	 * iflib may invoke this routine before vmxnet3_attach_post() has
+	 * run, which is before the top level shared data area is
+	 * initialized and the device made aware of it.
+	 */
+	if (sc->vmx_ds != NULL && sc->vmx_ds->event != 0)
 		vmxnet3_evintr(sc);
 
 	vmxnet3_refresh_host_stats(sc);