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| author | emaste <emaste@FreeBSD.org> | 2016-04-13 21:00:00 +0000 |
|---|---|---|
| committer | emaste <emaste@FreeBSD.org> | 2016-04-13 21:00:00 +0000 |
| commit | f015fe6dedade0efbb0930b9dfc1d03bdfac1da0 (patch) | |
| tree | d845f19fb2d949b4238fafd03d69586d6fbbce4b /sys/arm64 | |
| parent | 2b5f6fc5bf55673387e2a19288dc62cc44a90cc3 (diff) | |
| download | FreeBSD-src-f015fe6dedade0efbb0930b9dfc1d03bdfac1da0.zip FreeBSD-src-f015fe6dedade0efbb0930b9dfc1d03bdfac1da0.tar.gz | |
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
Diffstat (limited to 'sys/arm64')
| -rw-r--r-- | sys/arm64/arm64/gic_v3_its.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/sys/arm64/arm64/gic_v3_its.c b/sys/arm64/arm64/gic_v3_its.c index aef6346..c830c99 100644 --- a/sys/arm64/arm64/gic_v3_its.c +++ b/sys/arm64/arm64/gic_v3_its.c @@ -565,7 +565,7 @@ its_init_cpu(struct gic_v3_its_softc *sc) * this function was called during GICv3 secondary initialization. */ if (sc == NULL) { - if (device_is_attached(its_sc->dev)) { + if (its_sc != NULL && device_is_attached(its_sc->dev)) { /* * XXX ARM64TODO: This is part of the workaround that * saves ITS software context for further use in |
