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libertas: fix return from lbs_update_channel()

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If we return the channel number in a 'ret' variable where anything
non-zero is later interpreted as an error, that isn't nice. It breaks
WPA, for a start. OLPC trac #5485

Signed-off-by: David Woodhouse <dwmw2@infradead.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
David Woodhouse 2007-12-16 17:21:00 -05:00 committed by David S. Miller
parent 681ffbb7d4
commit d1a469fd1b
1 changed files with 10 additions and 6 deletions
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16
drivers/net/wireless/libertas/assoc.c
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@ -167,13 +167,14 @@ int lbs_update_channel(struct lbs_private *priv)
{ {
int ret; int ret;
/* the channel in f/w could be out of sync, get the current channel */ /* the channel in f/w could be out of sync; get the current channel */
lbs_deb_enter(LBS_DEB_ASSOC); lbs_deb_enter(LBS_DEB_ASSOC);
ret = lbs_get_channel(priv); ret = lbs_get_channel(priv);
if (ret > 0) if (ret > 0) {
priv->curbssparams.channel = (u8) ret; priv->curbssparams.channel = ret;
ret = 0;
}
lbs_deb_leave_args(LBS_DEB_ASSOC, "ret %d", ret); lbs_deb_leave_args(LBS_DEB_ASSOC, "ret %d", ret);
return ret; return ret;
} }
@ -197,8 +198,9 @@ static int assoc_helper_channel(struct lbs_private *priv,
lbs_deb_enter(LBS_DEB_ASSOC); lbs_deb_enter(LBS_DEB_ASSOC);
ret = lbs_update_channel(priv); ret = lbs_update_channel(priv);
if (ret < 0) { if (ret) {
lbs_deb_assoc("ASSOC: channel: error getting channel.\n"); lbs_deb_assoc("ASSOC: channel: error getting channel.\n");
goto done;
} }
if (assoc_req->channel == priv->curbssparams.channel) if (assoc_req->channel == priv->curbssparams.channel)
@ -222,8 +224,10 @@ static int assoc_helper_channel(struct lbs_private *priv,
* it since the firmware is supposed to return the new channel, but * it since the firmware is supposed to return the new channel, but
* whatever... */ * whatever... */
ret = lbs_update_channel(priv); ret = lbs_update_channel(priv);
if (ret < 0) if (ret) {
lbs_deb_assoc("ASSOC: channel: error getting channel.\n"); lbs_deb_assoc("ASSOC: channel: error getting channel.\n");
goto done;
}
if (assoc_req->channel != priv->curbssparams.channel) { if (assoc_req->channel != priv->curbssparams.channel) {
lbs_deb_assoc("ASSOC: channel: failed to update channel to %d\n", lbs_deb_assoc("ASSOC: channel: failed to update channel to %d\n",