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ffec: Fix NULL pointer access

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Update #3090.
This commit is contained in:
Sebastian Huber 2017-10-24 14:11:56 +02:00
parent b8fdbe2fa9
commit 798d308be8
1 changed files with 3 additions and 0 deletions
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3
freebsd/sys/dev/ffec/if_ffec.c
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@ -788,6 +788,9 @@ ffec_alloc_mbufcl(struct ffec_softc *sc)
struct mbuf *m;
m = m_getcl(M_NOWAIT, MT_DATA, M_PKTHDR);
if (m == NULL)
return (m);
m->m_pkthdr.len = m->m_len = m->m_ext.ext_size;
#ifdef __rtems__
rtems_cache_invalidate_multiple_data_lines(m->m_data, m->m_len);