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| author | Matt Macy <mmacy@FreeBSD.org> | 2018-05-04 18:59:01 +0000 |
|---|---|---|
| committer | Matt Macy <mmacy@FreeBSD.org> | 2018-05-04 18:59:01 +0000 |
| commit | 8fd222ebb4be73c7478d44d4b415b634a1841f8b (patch) | |
| tree | d5d71d012586a8102d4b33d4d1989b447b7e5513 /sys/dev/e1000 | |
| parent | 1ae4848cd0177755e88302ccb9afdd3ad69e68c1 (diff) | |
| download | src-8fd222ebb4be73c7478d44d4b415b634a1841f8b.tar.gz src-8fd222ebb4be73c7478d44d4b415b634a1841f8b.zip | |
fix case where pidx_last might be used uninitialized
Reviewed by: sbruno
Notes
Notes:
svn path=/head/; revision=333259
Diffstat (limited to 'sys/dev/e1000')
| -rw-r--r-- | sys/dev/e1000/em_txrx.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/sys/dev/e1000/em_txrx.c b/sys/dev/e1000/em_txrx.c index 5344496a55f0..a1f51ba69586 100644 --- a/sys/dev/e1000/em_txrx.c +++ b/sys/dev/e1000/em_txrx.c @@ -401,7 +401,7 @@ em_isc_txd_encap(void *arg, if_pkt_info_t pi) * needs End Of Packet (EOP) * and Report Status (RS) */ - if (txd_flags) { + if (txd_flags && nsegs) { txr->tx_rsq[txr->tx_rs_pidx] = pidx_last; DPRINTF(iflib_get_dev(sc->ctx), "setting to RS on %d rs_pidx %d first: %d\n", pidx_last, txr->tx_rs_pidx, first); txr->tx_rs_pidx = (txr->tx_rs_pidx+1) & (ntxd-1); |