diff options
Diffstat (limited to 'sys/pci')
| -rw-r--r-- | sys/pci/if_rl.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/sys/pci/if_rl.c b/sys/pci/if_rl.c index 4ffe7a3..e5dc0be 100644 --- a/sys/pci/if_rl.c +++ b/sys/pci/if_rl.c @@ -1380,6 +1380,8 @@ rl_poll (struct ifnet *ifp, enum poll_cmd cmd, int count) u_int16_t status; status = CSR_READ_2(sc, RL_ISR); + if (status == 0xffff) + goto done; if (status) CSR_WRITE_2(sc, RL_ISR, status); @@ -1426,6 +1428,9 @@ static void rl_intr(arg) for (;;) { status = CSR_READ_2(sc, RL_ISR); + /* If the card has gone away the read returns 0xffff. */ + if (status == 0xffff) + break; if (status) CSR_WRITE_2(sc, RL_ISR, status); |
