iwconfig relies on what mac80211 returned to display the retry info when
it sets retry->flag = 0.
So we can't just return -EINVAL when retry->flag == 0.
Signed-off-by: Hong Liu <hong.liu@xxxxxxxxx>
---
net/mac80211/ieee80211_ioctl.c | 16 +++++++++-------
1 files changed, 9 insertions(+), 7 deletions(-)
bd08dec1012d17f66af6fd0170dce870cce34ab6
diff --git a/net/mac80211/ieee80211_ioctl.c
b/net/mac80211/ieee80211_ioctl.c
index aa8b789..f57e48f 100644
--- a/net/mac80211/ieee80211_ioctl.c
+++ b/net/mac80211/ieee80211_ioctl.c
@@ -2176,16 +2176,18 @@ static int ieee80211_ioctl_giwretry(stru
struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
retry->disabled = 0;
- if ((retry->flags & IW_RETRY_TYPE) != IW_RETRY_LIMIT)
- return -EINVAL;
- if (retry->flags & IW_RETRY_MAX) {
- retry->flags = IW_RETRY_LIMIT | IW_RETRY_MAX;
- retry->value = local->long_retry_limit;
- } else {
- retry->flags = IW_RETRY_LIMIT;
+ if (retry->flags == 0 || retry->flags & IW_RETRY_MIN) {
+ /* first return min value, iwconfig will ask max value
+ * later if needed */
+ retry->flags |= IW_RETRY_LIMIT;
retry->value = local->short_retry_limit;
if (local->long_retry_limit != local->short_retry_limit)
retry->flags |= IW_RETRY_MIN;
+ return 0;
+ }
+ if (retry->flags & IW_RETRY_MAX) {
+ retry->flags = IW_RETRY_LIMIT | IW_RETRY_MAX;
+ retry->value = local->long_retry_limit;
}
return 0;
--
1.3.3
On Fri, 2007-03-23 at 19:11 +0100, Jiri Benc wrote:
> On Fri, 16 Mar 2007 11:28:29 +0800, Hong Liu wrote:
> > Signed-off-by: Hong Liu <hong.liu@xxxxxxxxx>
>
> Please add a description what the patch does.
>
> Thanks,
>
> Jiri
>
-
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