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mtd: rawnand: gpmi: don't leak PM reference in error path

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commit 9161f365c91614e5a3f5c6dcc44c3b1b33bc59c0 upstream.

If gpmi_nfc_apply_timings() fails, the PM runtime usage counter must be
dropped.

Reported-by: Pavel Machek <pavel@denx.de>
Fixes: f53d4c109a66 ("mtd: rawnand: gpmi: Add ERR007117 protection for nfc_apply_timings")
Signed-off-by: Christian Eggers <ceggers@arri.de>
Cc: stable@vger.kernel.org
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20220125081619.6286-1-ceggers@arri.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Christian Eggers 2022-01-25 09:16:19 +01:00 • committed by Greg Kroah-Hartman
commit 4cd3281a91
1 changed files with 2 additions and 1 deletions
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3
drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.c
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@ -2442,7 +2442,7 @@ static int gpmi_nfc_exec_op(struct nand_chip *chip,
this->hw.must_apply_timings = false;
ret = gpmi_nfc_apply_timings(this);
if (ret)
return ret;
goto out_pm;
}
dev_dbg(this->dev, "%s: %d instructions\n", __func__, op->ninstrs);
@ -2571,6 +2571,7 @@ unmap:
this->bch = false;
out_pm:
pm_runtime_mark_last_busy(this->dev);
pm_runtime_put_autosuspend(this->dev);