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-rw-r--r--drivers/fsi/fsi-core.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/fsi/fsi-core.c b/drivers/fsi/fsi-core.c
index 5b4ca6142270..5133fe0a0abe 100644
--- a/drivers/fsi/fsi-core.c
+++ b/drivers/fsi/fsi-core.c
@@ -1279,6 +1279,9 @@ int fsi_master_register(struct fsi_master *master)
mutex_init(&master->scan_lock);
master->idx = ida_simple_get(&master_ida, 0, INT_MAX, GFP_KERNEL);
+ if (master->idx < 0)
+ return master->idx;
+
dev_set_name(&master->dev, "fsi%d", master->idx);
rc = device_register(&master->dev);