* [PATCH] mtd: rawnand: cafe: Fix a resource leak in the error handling path of 'cafe_nand_probe()'
@ 2021-08-21 7:58 Christophe JAILLET
2021-08-23 8:35 ` Miquel Raynal
0 siblings, 1 reply; 2+ messages in thread
From: Christophe JAILLET @ 2021-08-21 7:58 UTC (permalink / raw)
To: miquel.raynal, richard, vigneshr, boris.brezillon, lee.jones,
segher, dwmw2
Cc: linux-mtd, linux-kernel, kernel-janitors, Christophe JAILLET
A successful 'init_rs_non_canonical()' call should be balanced by a
corresponding 'free_rs()' call in the error handling path of the probe, as
already done in the remove function.
Update the error handling path accordingly.
Fixes: 8c61b7a7f4d4 ("[MTD] [NAND] Use rslib for CAFÉ ECC")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
---
drivers/mtd/nand/raw/cafe_nand.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/mtd/nand/raw/cafe_nand.c b/drivers/mtd/nand/raw/cafe_nand.c
index d0e8ffd55c22..cba2eaddb0fc 100644
--- a/drivers/mtd/nand/raw/cafe_nand.c
+++ b/drivers/mtd/nand/raw/cafe_nand.c
@@ -751,7 +751,7 @@ static int cafe_nand_probe(struct pci_dev *pdev,
"CAFE NAND", mtd);
if (err) {
dev_warn(&pdev->dev, "Could not register IRQ %d\n", pdev->irq);
- goto out_ior;
+ goto our_free_rs;
}
/* Disable master reset, enable NAND clock */
@@ -795,6 +795,8 @@ static int cafe_nand_probe(struct pci_dev *pdev,
/* Disable NAND IRQ in global IRQ mask register */
cafe_writel(cafe, ~1 & cafe_readl(cafe, GLOBAL_IRQ_MASK), GLOBAL_IRQ_MASK);
free_irq(pdev->irq, mtd);
+ our_free_rs:
+ free_rs(cafe->rs);
out_ior:
pci_iounmap(pdev, cafe->mmio);
out_free_mtd:
--
2.30.2
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] mtd: rawnand: cafe: Fix a resource leak in the error handling path of 'cafe_nand_probe()'
2021-08-21 7:58 [PATCH] mtd: rawnand: cafe: Fix a resource leak in the error handling path of 'cafe_nand_probe()' Christophe JAILLET
@ 2021-08-23 8:35 ` Miquel Raynal
0 siblings, 0 replies; 2+ messages in thread
From: Miquel Raynal @ 2021-08-23 8:35 UTC (permalink / raw)
To: Christophe JAILLET, miquel.raynal, richard, vigneshr,
boris.brezillon, lee.jones, segher, dwmw2
Cc: linux-mtd, linux-kernel, kernel-janitors
On Sat, 2021-08-21 at 07:58:45 UTC, Christophe JAILLET wrote:
> A successful 'init_rs_non_canonical()' call should be balanced by a
> corresponding 'free_rs()' call in the error handling path of the probe, as
> already done in the remove function.
>
> Update the error handling path accordingly.
>
> Fixes: 8c61b7a7f4d4 ("[MTD] [NAND] Use rslib for CAFÉ ECC")
> Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Applied to https://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux.git nand/next, thanks.
Miquel
^ permalink raw reply [flat|nested] 2+ messages in thread
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2021-08-21 7:58 [PATCH] mtd: rawnand: cafe: Fix a resource leak in the error handling path of 'cafe_nand_probe()' Christophe JAILLET
2021-08-23 8:35 ` Miquel Raynal
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