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| author | jkim <jkim@FreeBSD.org> | 2010-03-29 20:24:03 +0000 |
|---|---|---|
| committer | jkim <jkim@FreeBSD.org> | 2010-03-29 20:24:03 +0000 |
| commit | 2b1849a3fc9a9e618af649771baa5e70e647b322 (patch) | |
| tree | f1385dcb823bcc48c3344b5c422d77c98cdfb825 /sys/net | |
| parent | 54bd4e6ce967d675bdc3b023c04131e41b12f62a (diff) | |
| download | FreeBSD-src-2b1849a3fc9a9e618af649771baa5e70e647b322.zip FreeBSD-src-2b1849a3fc9a9e618af649771baa5e70e647b322.tar.gz | |
Check the pointer to JIT binary filter before its de-allocation.
Submitted by: Alexander Sack (asack at niksun dot com)
MFC after: 3 days
Diffstat (limited to 'sys/net')
| -rw-r--r-- | sys/net/bpf.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/sys/net/bpf.c b/sys/net/bpf.c index e17d672..bac3da4 100644 --- a/sys/net/bpf.c +++ b/sys/net/bpf.c @@ -1867,13 +1867,14 @@ bpf_freed(struct bpf_d *d) * free. */ bpf_free(d); - if (d->bd_rfilter) { + if (d->bd_rfilter != NULL) { free((caddr_t)d->bd_rfilter, M_BPF); #ifdef BPF_JITTER - bpf_destroy_jit_filter(d->bd_bfilter); + if (d->bd_bfilter != NULL) + bpf_destroy_jit_filter(d->bd_bfilter); #endif } - if (d->bd_wfilter) + if (d->bd_wfilter != NULL) free((caddr_t)d->bd_wfilter, M_BPF); mtx_destroy(&d->bd_mtx); } |
