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mtd: nand: vf610: check mtd_device_register() return code

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vf610_nfc_probe() misses error handling of mtd_device_register().

Found by Linux Driver Verification project (linuxtesting.org).

Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru>
Reviewed-by: Stefan Agner <stefan@agner.ch>
Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com>
This commit is contained in:
Alexey Khoroshilov 2018-02-10 01:28:36 +03:00 committed by Boris Brezillon
parent 196644fd09
commit 1b8c90985f
1 changed files with 6 additions and 1 deletions
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7
drivers/mtd/nand/vf610_nfc.c
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@ -767,8 +767,13 @@ static int vf610_nfc_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, mtd);
/* Register device in MTD */
return mtd_device_register(mtd, NULL, 0);
err = mtd_device_register(mtd, NULL, 0);
if (err)
goto err_cleanup_nand;
return 0;
err_cleanup_nand:
nand_cleanup(chip);
err_disable_clk:
clk_disable_unprepare(nfc->clk);
return err;