git: 2f733c60ff46 - stable/13 - cxgbe(4): Avoid unsafe hardware access in the ifmedia ioctls.
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Date: Mon, 28 Feb 2022 06:55:52 UTC
The branch stable/13 has been updated by np: URL: https://cgit.FreeBSD.org/src/commit/?id=2f733c60ff46f3ce237d6d8b5ac6ebfe6b8645dc commit 2f733c60ff46f3ce237d6d8b5ac6ebfe6b8645dc Author: Navdeep Parhar <np@FreeBSD.org> AuthorDate: 2022-02-11 23:37:17 +0000 Commit: Navdeep Parhar <np@FreeBSD.org> CommitDate: 2022-02-28 06:51:32 +0000 cxgbe(4): Avoid unsafe hardware access in the ifmedia ioctls. The hardware is unavailable when the device is suspended or in the middle of a reset. Sponsored by: Chelsio Communications (cherry picked from commit 39a36707bd33b86a115651678028baeb616c8365) --- sys/dev/cxgbe/t4_main.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/sys/dev/cxgbe/t4_main.c b/sys/dev/cxgbe/t4_main.c index 391bc9de8bfc..e8f82e4aea3b 100644 --- a/sys/dev/cxgbe/t4_main.c +++ b/sys/dev/cxgbe/t4_main.c @@ -3227,7 +3227,7 @@ cxgbe_media_change(struct ifnet *ifp) if (IFM_OPTIONS(ifm->ifm_media) & IFM_ETH_TXPAUSE) lc->requested_fc |= PAUSE_TX; } - if (pi->up_vis > 0) { + if (pi->up_vis > 0 && !hw_off_limits(sc)) { fixup_link_config(pi); rc = apply_link_config(pi); } @@ -3395,7 +3395,7 @@ cxgbe_media_status(struct ifnet *ifp, struct ifmediareq *ifmr) return; PORT_LOCK(pi); - if (pi->up_vis == 0) { + if (pi->up_vis == 0 && !hw_off_limits(sc)) { /* * If all the interfaces are administratively down the firmware * does not report transceiver changes. Refresh port info here