arm64: Avoid null dereference in its_init_cpu
its_init_cpu() is called from gic_v3_init_secondary(), and its_sc will be NULL if its did not attach. Sponsored by: The FreeBSD Foundation
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Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=297940
@ -565,7 +565,7 @@ its_init_cpu(struct gic_v3_its_softc *sc)
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* this function was called during GICv3 secondary initialization.
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*/
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if (sc == NULL) {
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if (device_is_attached(its_sc->dev)) {
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if (its_sc != NULL && device_is_attached(its_sc->dev)) {
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/*
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* XXX ARM64TODO: This is part of the workaround that
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* saves ITS software context for further use in
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