diff options
Diffstat (limited to 'net')
| -rw-r--r-- | net/ncsi/ncsi-manage.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/net/ncsi/ncsi-manage.c b/net/ncsi/ncsi-manage.c index b022deb39d31..0966eff48ce7 100644 --- a/net/ncsi/ncsi-manage.c +++ b/net/ncsi/ncsi-manage.c @@ -1005,12 +1005,15 @@ static bool ncsi_check_hwa(struct ncsi_dev_priv *ndp) struct ncsi_package *np; struct ncsi_channel *nc; unsigned int cap; + bool has_channel = false; /* The hardware arbitration is disabled if any one channel * doesn't support explicitly. */ NCSI_FOR_EACH_PACKAGE(ndp, np) { NCSI_FOR_EACH_CHANNEL(np, nc) { + has_channel = true; + cap = nc->caps[NCSI_CAP_GENERIC].cap; if (!(cap & NCSI_CAP_GENERIC_HWA) || (cap & NCSI_CAP_GENERIC_HWA_MASK) != @@ -1021,8 +1024,13 @@ static bool ncsi_check_hwa(struct ncsi_dev_priv *ndp) } } - ndp->flags |= NCSI_DEV_HWA; - return true; + if (has_channel) { + ndp->flags |= NCSI_DEV_HWA; + return true; + } + + ndp->flags &= ~NCSI_DEV_HWA; + return false; } static int ncsi_enable_hwa(struct ncsi_dev_priv *ndp) |