diff options
| author | Olaf Kirch <okir@suse.de> | 2006-01-09 17:00:37 +0100 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2006-01-16 16:51:53 -0500 |
| commit | d834a41c966c6a20368fadb59248740935e6fbae (patch) | |
| tree | 53163530c274c0f9b7eeed35e0fd9564f48a7192 /drivers/net/wireless | |
| parent | 0b8d3256a0c1d75bbe8ef5b0de64843e3fc9f47b (diff) | |
[PATCH] ipw2200: do not sleep in ipw_request_direct_scan
Drivers should not sleep for very long inside an ioctl -
so return EAGAIN and let wpa_supplicant handle the problem.
Signed-off-by: Olaf Kirch <okir@suse.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless')
| -rw-r--r-- | drivers/net/wireless/ipw2200.c | 14 |
1 files changed, 6 insertions, 8 deletions
diff --git a/drivers/net/wireless/ipw2200.c b/drivers/net/wireless/ipw2200.c index 819be2b6b7d..4c28e332ecc 100644 --- a/drivers/net/wireless/ipw2200.c +++ b/drivers/net/wireless/ipw2200.c @@ -8936,14 +8936,12 @@ static int ipw_request_direct_scan(struct ipw_priv *priv, char *essid, IPW_DEBUG_HC("starting request direct scan!\n"); if (priv->status & (STATUS_SCANNING | STATUS_SCAN_ABORTING)) { - err = wait_event_interruptible(priv->wait_state, - !(priv-> - status & (STATUS_SCANNING | - STATUS_SCAN_ABORTING))); - if (err) { - IPW_DEBUG_HC("aborting direct scan"); - goto done; - } + /* We should not sleep here; otherwise we will block most + * of the system (for instance, we hold rtnl_lock when we + * get here). + */ + err = -EAGAIN; + goto done; } memset(&scan, 0, sizeof(scan)); |