[PATCH] mtd: devices: check mtd_device_register() return code

[Arushi Singhal]

stfsm_probe() misses error handling of mtd_device_register().

Signed-off-by: Arushi Singhal <arushisinghal19971997@xxxxxxxxx>
---
 drivers/mtd/devices/st_spi_fsm.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/drivers/mtd/devices/st_spi_fsm.c b/drivers/mtd/devices/st_spi_fsm.c
index 7bc29d7..4a99a6a 100644
--- a/drivers/mtd/devices/st_spi_fsm.c
+++ b/drivers/mtd/devices/st_spi_fsm.c
@@ -2125,7 +2125,13 @@ static int stfsm_probe(struct platform_device *pdev)
 		(long long)fsm->mtd.size, (long long)(fsm->mtd.size >> 20),
 		fsm->mtd.erasesize, (fsm->mtd.erasesize >> 10));
 
-	return mtd_device_register(&fsm->mtd, NULL, 0);
+	ret = mtd_device_register(&fsm->mtd, NULL, 0);
+	if (ret) {
+		pr_err("Failed to register device\n");
+		goto err_clk_unprepare;
+	}
+
+	return 0;
 
 err_clk_unprepare:
 	clk_disable_unprepare(fsm->clk);
-- 
2.7.4