AcoSail/kernel_optimize_test
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[PATCH] ipw2200: do not sleep in ipw_request_direct_scan

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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>
This commit is contained in:
Olaf Kirch 2006-01-09 17:00:37 +01:00 committed by John W. Linville
parent 0b8d3256a0
commit d834a41c96
1 changed files with 6 additions and 8 deletions
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14
drivers/net/wireless/ipw2200.c
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@ -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));