[PATCH 4.4 011/190] ipmi_ssif: unlock on allocation failure

[Greg Kroah-Hartman]

4.4-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Dan Carpenter <dan.carpen...@oracle.com>


[ Upstream commit cf9806f32ef63b745f2486e0dbb2ac21f4ca44f0 ]

We should unlock and re-enable IRQs if this allocation fails.

Fixes: 259307074bfc ("ipmi: Add SMBus interface driver (SSIF) ")
Signed-off-by: Dan Carpenter <dan.carpen...@oracle.com>
Signed-off-by: Corey Minyard <cminy...@mvista.com>
Signed-off-by: Sasha Levin <alexander.le...@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org>
---
 drivers/char/ipmi/ipmi_ssif.c |    2 ++
 1 file changed, 2 insertions(+)

--- a/drivers/char/ipmi/ipmi_ssif.c
+++ b/drivers/char/ipmi/ipmi_ssif.c
@@ -409,6 +409,7 @@ static void start_event_fetch(struct ssi
        msg = ipmi_alloc_smi_msg();
        if (!msg) {
                ssif_info->ssif_state = SSIF_NORMAL;
+               ipmi_ssif_unlock_cond(ssif_info, flags);
                return;
        }
 
@@ -431,6 +432,7 @@ static void start_recv_msg_fetch(struct
        msg = ipmi_alloc_smi_msg();
        if (!msg) {
                ssif_info->ssif_state = SSIF_NORMAL;
+               ipmi_ssif_unlock_cond(ssif_info, flags);
                return;
        }