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Platform: OLPC: Fix probe error handling 

[ Upstream commit cec551ea0d41c679ed11d758e1a386e20285b29d ]

Reset ec_priv if probe ends unsuccessfully.

Signed-off-by: Lubomir Rintel <lkundrak@v3.sk>
Link: https://lore.kernel.org/r/20210126073740.10232-2-lkundrak@v3.sk
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Lubomir Rintel 2021-01-26 08:37:38 +01:00 committed by Greg Kroah-Hartman
parent ccad3c70fc
commit 26d60799d9
1 changed files with 8 additions and 7 deletions
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15
drivers/platform/olpc/olpc-ec.c
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@ -426,11 +426,8 @@ static int olpc_ec_probe(struct platform_device *pdev)
/* get the EC revision */
err = olpc_ec_cmd(EC_FIRMWARE_REV, NULL, 0, &ec->version, 1);
if (err) {
ec_priv = NULL;
kfree(ec);
return err;
}
if (err)
goto error;
config.dev = pdev->dev.parent;
config.driver_data = ec;
@ -440,12 +437,16 @@ static int olpc_ec_probe(struct platform_device *pdev)
if (IS_ERR(ec->dcon_rdev)) {
dev_err(&pdev->dev, "failed to register DCON regulator\n");
err = PTR_ERR(ec->dcon_rdev);
kfree(ec);
return err;
goto error;
}
ec->dbgfs_dir = olpc_ec_setup_debugfs();
return 0;
error:
ec_priv = NULL;
kfree(ec);
return err;
}