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net: pcs: lynx: change lynx_pcs_create() to return error-pointers

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Change lynx_pcs_create() to return an error-pointer on failure to
allocate memory, rather than returning NULL. This allows the removal
of the conversion in lynx_pcs_create_fwnode() and
lynx_pcs_create_mdiodev().

Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Russell King (Oracle) 2023-06-07 12:58:49 +01:00 committed by Jakub Kicinski
parent 84e476b876
commit 05b606b884
1 changed files with 1 additions and 13 deletions
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14
drivers/net/pcs/pcs-lynx.c
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@ -313,7 +313,7 @@ static struct phylink_pcs *lynx_pcs_create(struct mdio_device *mdio)
lynx = kzalloc(sizeof(*lynx), GFP_KERNEL);
if (!lynx)
return NULL;
return ERR_PTR(-ENOMEM);
mdio_device_get(mdio);
lynx->mdio = mdio;
@ -334,12 +334,6 @@ struct phylink_pcs *lynx_pcs_create_mdiodev(struct mii_bus *bus, int addr)
pcs = lynx_pcs_create(mdio);
/* Convert failure to create the PCS to an error pointer, so this
* function has a consistent return value strategy.
*/
if (!pcs)
pcs = ERR_PTR(-ENOMEM);
/* lynx_create() has taken a refcount on the mdiodev if it was
* successful. If lynx_create() fails, this will free the mdio
* device here. In any case, we don't need to hold our reference
@ -363,12 +357,6 @@ struct phylink_pcs *lynx_pcs_create_fwnode(struct fwnode_handle *node)
pcs = lynx_pcs_create(mdio);
/* Convert failure to create the PCS to an error pointer, so this
* function has a consistent return value strategy.
*/
if (!pcs)
pcs = ERR_PTR(-ENOMEM);
/* lynx_create() has taken a refcount on the mdiodev if it was
* successful. If lynx_create() fails, this will free the mdio
* device here. In any case, we don't need to hold our reference