Commit e7a29365 authored by Miaoqian Lin's avatar Miaoqian Lin Committed by Borislav Petkov (AMD)

EDAC/highbank: Fix memory leak in highbank_mc_probe()

When devres_open_group() fails, it returns -ENOMEM without freeing memory
allocated by edac_mc_alloc().

Call edac_mc_free() on the error handling path to avoid a memory leak.

  [ bp: Massage commit message. ]

Fixes: a1b01edb ("edac: add support for Calxeda highbank memory controller")
Signed-off-by: default avatarMiaoqian Lin <linmq006@gmail.com>
Signed-off-by: default avatarBorislav Petkov (AMD) <bp@alien8.de>
Reviewed-by: default avatarAndre Przywara <andre.przywara@arm.com>
Link: https://lore.kernel.org/r/20221229054825.1361993-1-linmq006@gmail.com
parent e8407743
......@@ -174,8 +174,10 @@ static int highbank_mc_probe(struct platform_device *pdev)
drvdata = mci->pvt_info;
platform_set_drvdata(pdev, mci);
if (!devres_open_group(&pdev->dev, NULL, GFP_KERNEL))
return -ENOMEM;
if (!devres_open_group(&pdev->dev, NULL, GFP_KERNEL)) {
res = -ENOMEM;
goto free;
}
r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!r) {
......@@ -243,6 +245,7 @@ static int highbank_mc_probe(struct platform_device *pdev)
edac_mc_del_mc(&pdev->dev);
err:
devres_release_group(&pdev->dev, NULL);
free:
edac_mc_free(mci);
return res;
}
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment