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| author | yongari <yongari@FreeBSD.org> | 2011-11-04 23:09:57 +0000 |
|---|---|---|
| committer | yongari <yongari@FreeBSD.org> | 2011-11-04 23:09:57 +0000 |
| commit | 3d013de1b9acc68f37258b457533eba403cf3361 (patch) | |
| tree | fefd3d4bd5b4a6d17b4b69ee13d3d93ad2e9d1a3 /sys/dev/ti | |
| parent | 3826036d91b41c06ce77c3466f50305410856cde (diff) | |
| download | FreeBSD-src-3d013de1b9acc68f37258b457533eba403cf3361.zip FreeBSD-src-3d013de1b9acc68f37258b457533eba403cf3361.tar.gz | |
Because ti(4) drops a driver lock in RX handler, check whether
driver is still running before re-enabling interrupts.
Diffstat (limited to 'sys/dev/ti')
| -rw-r--r-- | sys/dev/ti/if_ti.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/sys/dev/ti/if_ti.c b/sys/dev/ti/if_ti.c index 7483bd9..66401d1 100644 --- a/sys/dev/ti/if_ti.c +++ b/sys/dev/ti/if_ti.c @@ -2856,12 +2856,12 @@ ti_intr(void *xsc) ti_handle_events(sc); - /* Re-enable interrupts. */ - CSR_WRITE_4(sc, TI_MB_HOSTINTR, 0); - if (ifp->if_drv_flags & IFF_DRV_RUNNING && - ifp->if_snd.ifq_head != NULL) + ifp->if_snd.ifq_head != NULL) { + /* Re-enable interrupts. */ + CSR_WRITE_4(sc, TI_MB_HOSTINTR, 0); ti_start_locked(ifp); + } TI_UNLOCK(sc); } |
