From cec551ea0d41c679ed11d758e1a386e20285b29d Mon Sep 17 00:00:00 2001
From: Lubomir Rintel <lkundrak@v3.sk>
Date: Tue, 26 Jan 2021 08:37:38 +0100
Subject: [PATCH] Platform: OLPC: Fix probe error handling
Git-commit: cec551ea0d41c679ed11d758e1a386e20285b29d
Patch-mainline: v5.12-rc1
References: git-fixes
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>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
drivers/platform/olpc/olpc-ec.c | 15 ++++++++-------
1 file changed, 8 insertions(+), 7 deletions(-)
diff --git a/drivers/platform/olpc/olpc-ec.c b/drivers/platform/olpc/olpc-ec.c
index f64b82824db2..2db7113383fd 100644
--- a/drivers/platform/olpc/olpc-ec.c
+++ b/drivers/platform/olpc/olpc-ec.c
@@ -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;
}
--
2.26.2