3.19.8-ckt7 -stable review patch. If anyone has any objections, please let me know.
------------------ From: Alistair Popple <[email protected]> commit ad1ed2a9dd4c435d6a3ce470211db9a8d107c3e0 upstream. If ipmi_powernv_recv(...) is called without a current message it prints a warning and returns. However it fails to release the message lock causing the system to dead lock during any subsequent IPMI operations. This error path should never normally be taken unless there are bugs elsewhere in the system. Signed-off-by: Alistair Popple <[email protected]> Signed-off-by: Corey Minyard <[email protected]> Cc: Tim Gardner <[email protected]> Signed-off-by: Kamal Mostafa <[email protected]> --- drivers/char/ipmi/ipmi_powernv.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/char/ipmi/ipmi_powernv.c b/drivers/char/ipmi/ipmi_powernv.c index 79524ed..8753b0f 100644 --- a/drivers/char/ipmi/ipmi_powernv.c +++ b/drivers/char/ipmi/ipmi_powernv.c @@ -125,6 +125,7 @@ static int ipmi_powernv_recv(struct ipmi_smi_powernv *smi) spin_lock_irqsave(&smi->msg_lock, flags); if (!smi->cur_msg) { + spin_unlock_irqrestore(&smi->msg_lock, flags); pr_warn("no current message?\n"); return 0; } -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
