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authorVladimir Oltean <vladimir.oltean@nxp.com>2023-01-30 21:30:51 +0200
committerJakub Kicinski <kuba@kernel.org>2023-01-31 21:05:09 -0800
commitefec2e2a722ed609fc7b64feef720fd601633b73 (patch)
treeeee1b110008d251765fb66893e20d56f591c9e19 /drivers/net/ethernet/freescale
parent8f35ae17ef565a605de5f409e04bcd49a55d7646 (diff)
net: fman: memac: free mdio device if lynx_pcs_create() fails
When memory allocation fails in lynx_pcs_create() and it returns NULL, there remains a dangling reference to the mdiodev returned by of_mdio_find_device() which is leaked as soon as memac_pcs_create() returns empty-handed. Fixes: a7c2a32e7f22 ("net: fman: memac: Use lynx pcs driver") Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com> Reviewed-by: Sean Anderson <sean.anderson@seco.com> Acked-by: Madalin Bucur <madalin.bucur@oss.nxp.com> Link: https://lore.kernel.org/r/20230130193051.563315-1-vladimir.oltean@nxp.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/net/ethernet/freescale')
-rw-r--r--drivers/net/ethernet/freescale/fman/fman_memac.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/net/ethernet/freescale/fman/fman_memac.c b/drivers/net/ethernet/freescale/fman/fman_memac.c
index 9349f841bd06..587ad81a2dc3 100644
--- a/drivers/net/ethernet/freescale/fman/fman_memac.c
+++ b/drivers/net/ethernet/freescale/fman/fman_memac.c
@@ -1055,6 +1055,9 @@ static struct phylink_pcs *memac_pcs_create(struct device_node *mac_node,
return ERR_PTR(-EPROBE_DEFER);
pcs = lynx_pcs_create(mdiodev);
+ if (!pcs)
+ mdio_device_free(mdiodev);
+
return pcs;
}