diff mbox series

[2/2] phy: marvell: a3700-comphy: Fix hardcoded array size

Message ID 20240321164734.49273-2-m.kobuk@ispras.ru
State Accepted
Commit 627207703b73615653eea5ab7a841d5b478d961e
Headers show
Series [1/2] phy: marvell: a3700-comphy: Fix out of bounds read | expand

Commit Message

Mikhail Kobuk March 21, 2024, 4:47 p.m. UTC
Replace hardcoded 'gbe_phy_init' array size by explicit one.

Fixes: 934337080c6c ("phy: marvell: phy-mvebu-a3700-comphy: Add native kernel implementation")
Signed-off-by: Mikhail Kobuk <m.kobuk@ispras.ru>
---
 drivers/phy/marvell/phy-mvebu-a3700-comphy.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Comments

Miquel Raynal March 22, 2024, 7:26 a.m. UTC | #1
Hi Mikhail,

m.kobuk@ispras.ru wrote on Thu, 21 Mar 2024 19:47:31 +0300:

> Replace hardcoded 'gbe_phy_init' array size by explicit one.
> 
> Fixes: 934337080c6c ("phy: marvell: phy-mvebu-a3700-comphy: Add native kernel implementation")
> Signed-off-by: Mikhail Kobuk <m.kobuk@ispras.ru>
> ---
>  drivers/phy/marvell/phy-mvebu-a3700-comphy.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/phy/marvell/phy-mvebu-a3700-comphy.c b/drivers/phy/marvell/phy-mvebu-a3700-comphy.c
> index 41162d7228c9..15bf10710de0 100644
> --- a/drivers/phy/marvell/phy-mvebu-a3700-comphy.c
> +++ b/drivers/phy/marvell/phy-mvebu-a3700-comphy.c
> @@ -603,7 +603,7 @@ static void comphy_gbe_phy_init(struct mvebu_a3700_comphy_lane *lane,
>  	u16 val;
>  
>  	fix_idx = 0;
> -	for (addr = 0; addr < 512; addr++) {
> +	for (addr = 0; addr < ARRAY_SIZE(gbe_phy_init); addr++) {
>  		/*
>  		 * All PHY register values are defined in full for 3.125Gbps
>  		 * SERDES speed. The values required for 1.25 Gbps are almost

512 is also used where gbe_phy_init is defined, so maybe it would be
worthe defining this size once and then use the definition in both
places.

Thanks, Miquèl
diff mbox series

Patch

diff --git a/drivers/phy/marvell/phy-mvebu-a3700-comphy.c b/drivers/phy/marvell/phy-mvebu-a3700-comphy.c
index 41162d7228c9..15bf10710de0 100644
--- a/drivers/phy/marvell/phy-mvebu-a3700-comphy.c
+++ b/drivers/phy/marvell/phy-mvebu-a3700-comphy.c
@@ -603,7 +603,7 @@  static void comphy_gbe_phy_init(struct mvebu_a3700_comphy_lane *lane,
 	u16 val;
 
 	fix_idx = 0;
-	for (addr = 0; addr < 512; addr++) {
+	for (addr = 0; addr < ARRAY_SIZE(gbe_phy_init); addr++) {
 		/*
 		 * All PHY register values are defined in full for 3.125Gbps
 		 * SERDES speed. The values required for 1.25 Gbps are almost