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mtd: rawnand: pasemi: Fix the probe error path 

nand_cleanup() is supposed to be called on error after a successful
call to nand_scan() to free all NAND resources.

There is no real Fixes tag applying here as the use of nand_release()
in this driver predates by far the introduction of nand_cleanup() in
commit d44154f969 ("mtd: nand: Provide nand_cleanup() function to free NAND related resources")
which makes this change possible, hence pointing it as the commit to
fix for backporting purposes, even if this commit is not introducing
any bug.

Fixes: d44154f969 ("mtd: nand: Provide nand_cleanup() function to free NAND related resources")
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/linux-mtd/20200519130035.1883-41-miquel.raynal@bootlin.com
This commit is contained in:
Miquel Raynal 2020-05-19 15:00:13 +02:00
parent 2d9cf6f129
commit f51466901c
1 changed files with 3 additions and 1 deletions
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4
drivers/mtd/nand/raw/pasemi_nand.c
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@ -146,7 +146,7 @@ static int pasemi_nand_probe(struct platform_device *ofdev)
if (mtd_device_register(pasemi_nand_mtd, NULL, 0)) {
dev_err(dev, "Unable to register MTD device\n");
err = -ENODEV;
goto out_lpc;
goto out_cleanup_nand;
}
dev_info(dev, "PA Semi NAND flash at %pR, control at I/O %x\n", &res,
@ -154,6 +154,8 @@ static int pasemi_nand_probe(struct platform_device *ofdev)
return 0;
out_cleanup_nand:
nand_cleanup(chip);
out_lpc:
release_region(lpcctl, 4);
out_ior: