Date: Sun, 21 Apr 2013 00:41:16 +0000 (UTC) From: Adrian Chadd <adrian@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r249715 - head/sys/dev/ath Message-ID: <201304210041.r3L0fGMW057353@svn.freebsd.org>
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Author: adrian Date: Sun Apr 21 00:41:15 2013 New Revision: 249715 URL: http://svnweb.freebsd.org/changeset/base/249715 Log: When doing BAW tracking, don't dereference a NULL pointer if the BAW slot is actually NULL. Modified: head/sys/dev/ath/if_ath_tx.c Modified: head/sys/dev/ath/if_ath_tx.c ============================================================================== --- head/sys/dev/ath/if_ath_tx.c Sat Apr 20 23:33:51 2013 (r249714) +++ head/sys/dev/ath/if_ath_tx.c Sun Apr 21 00:41:15 2013 (r249715) @@ -2590,7 +2590,8 @@ ath_tx_update_baw(struct ath_softc *sc, __func__, bf, SEQNO(bf->bf_state.bfs_seqno), tid->tx_buf[cindex], - SEQNO(tid->tx_buf[cindex]->bf_state.bfs_seqno)); + (tid->tx_buf[cindex] != NULL) ? + SEQNO(tid->tx_buf[cindex]->bf_state.bfs_seqno) : -1); } tid->tx_buf[cindex] = NULL;
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