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authorJohn W. Linville <linville@tuxdriver.com>2009-12-30 15:25:08 -0500
committerJohn W. Linville <linville@tuxdriver.com>2009-12-30 15:25:08 -0500
commit891dc5e73783eeabd2a704a9425e2a199b39c9f9 (patch)
tree9b4478941c486d47a71bfce455b896c5dda7e811 /net/mac80211/util.c
parente1781ed33a8809c58ad6c3b6d432d656446efa43 (diff)
parent55afc80b2ab100618c17af77915f75307b6bd5d1 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6
Conflicts: drivers/net/wireless/libertas/scan.c
Diffstat (limited to 'net/mac80211/util.c')
-rw-r--r--net/mac80211/util.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index 4b930308b1f..7e38858a928 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -1084,7 +1084,19 @@ int ieee80211_reconfig(struct ieee80211_local *local)
/* restart hardware */
if (local->open_count) {
+ /*
+ * Upon resume hardware can sometimes be goofy due to
+ * various platform / driver / bus issues, so restarting
+ * the device may at times not work immediately. Propagate
+ * the error.
+ */
res = drv_start(local);
+ if (res) {
+ WARN(local->suspended, "Harware became unavailable "
+ "upon resume. This is could be a software issue"
+ "prior to suspend or a harware issue\n");
+ return res;
+ }
ieee80211_led_radio(local, true);
}