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b43: only reload config after successful initialization

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Commit 2a19032 (b43: reload phy and bss settings after core restarts)
introduced an unconditional call to b43_op_config() at the end of
b43_op_start(). When firmware fails to load this can wedge the system.
There's no need to reload the configuration after a failed
initialization anyway, so only make the call if initialization was
successful.

BugLink: http://bugs.launchpad.net/bugs/950295
Cc: Felix Fietkau <nbd@openwrt.org>
Cc: <stable@vger.kernel.org>
Signed-off-by: Seth Forshee <seth.forshee@canonical.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Seth Forshee 2012-04-25 17:28:00 -05:00 committed by John W. Linville
parent 1ed2ec37b4
commit dbdedbdf4f
1 changed files with 8 additions and 2 deletions
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10
drivers/net/wireless/b43/main.c
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@ -4827,8 +4827,14 @@ static int b43_op_start(struct ieee80211_hw *hw)
out_mutex_unlock:
mutex_unlock(&wl->mutex);
/* reload configuration */
b43_op_config(hw, ~0);
/*
* Configuration may have been overwritten during initialization.
* Reload the configuration, but only if initialization was
* successful. Reloading the configuration after a failed init
* may hang the system.
*/
if (!err)
b43_op_config(hw, ~0);
return err;
}