thunderbolt: Fix to check the return value of kmemdup
uuid in add_switch is allocted via kmemdup which can fail. The patch
logs the error and cleans up the allocated memory for switch.
Signed-off-by: Aditya Pakki <pakki001@umn.edu>
Reviewed-by: Mukesh Ojha <mojha@codeaurora.org>
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
diff --git a/drivers/thunderbolt/icm.c b/drivers/thunderbolt/icm.c
index e3fc920..8b7f913 100644
--- a/drivers/thunderbolt/icm.c
+++ b/drivers/thunderbolt/icm.c
@@ -473,6 +473,11 @@
goto out;
sw->uuid = kmemdup(uuid, sizeof(*uuid), GFP_KERNEL);
+ if (!sw->uuid) {
+ tb_sw_warn(sw, "cannot allocate memory for switch\n");
+ tb_switch_put(sw);
+ goto out;
+ }
sw->connection_id = connection_id;
sw->connection_key = connection_key;
sw->link = link;
