msm: msm_bus: Suspected fix for deadlock

mutex is not released while checking for null pdata which can lead to possible deadlock condition. Change-Id: I1dc3efd725df5bb75c96434a81d9a8f3f868cd0a Signed-off-by: Alok Chauhan <alokc@codeaurora.org>
imoseyon · Oct 3, 2014 · efa57cd · efa57cd
1 parent 7d1235f
commit efa57cd
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/arch/arm/mach-msm/msm_bus/msm_bus_arb.c b/arch/arm/mach-msm/msm_bus/msm_bus_arb.c
@@ -630,7 +630,8 @@ int msm_bus_scale_client_update_request(uint32_t cl, unsigned index)
 	pdata = client->pdata;
 	if (!pdata) {
 		MSM_BUS_ERR("Null pdata passed to update-request\n");
-		return -ENXIO;
+		ret = -ENXIO;
+		goto err;
 	}
 
 	if (index >= pdata->num_usecases) {