On 09.02.2018 23:28, Alexey Khoroshilov wrote: > vf610_nfc_probe() misses error handling of mtd_device_register(). > > Found by Linux Driver Verification project (linuxtesting.org). > > Signed-off-by: Alexey Khoroshilov <khoroshi...@ispras.ru>
Looks good to me, and seems to work fine, thanks for fixing this! For the complete patchset: Reviewed-by: Stefan Agner <ste...@agner.ch> -- Stefan > --- > drivers/mtd/nand/vf610_nfc.c | 7 ++++++- > 1 file changed, 6 insertions(+), 1 deletion(-) > > diff --git a/drivers/mtd/nand/vf610_nfc.c b/drivers/mtd/nand/vf610_nfc.c > index 9cc5992e88c8..64fed3d9e3d4 100644 > --- a/drivers/mtd/nand/vf610_nfc.c > +++ b/drivers/mtd/nand/vf610_nfc.c > @@ -782,8 +782,13 @@ 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;