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mtd: rawnand: vf610: disable clk on error handling path in probe

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[ Upstream commit cb7dc3178a9862614b1e7567d77f4679f027a074 ]

vf610_nfc_probe() does not invoke clk_disable_unprepare() on one error
handling path. The patch fixes that.

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

Fixes: 6f0ce4dfc5 ("mtd: rawnand: vf610: Avoid a potential NULL pointer dereference")
Signed-off-by: Evgeny Novikov <novikov@ispras.ru>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20200806072634.23528-1-novikov@ispras.ru
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Evgeny Novikov 2020-08-06 10:26:34 +03:00 • committed by Greg Kroah-Hartman
commit 2bb74bc921
1 changed files with 4 additions and 2 deletions
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6
drivers/mtd/nand/raw/vf610_nfc.c
View file

@ -850,8 +850,10 @@ static int vf610_nfc_probe(struct platform_device *pdev)
}
of_id = of_match_device(vf610_nfc_dt_ids, &pdev->dev);
if (!of_id)
return -ENODEV;
if (!of_id) {
err = -ENODEV;
goto err_disable_clk;
}
nfc->variant = (enum vf610_nfc_variant)of_id->data;