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thermal: intel: quark_dts: fix error pointer dereference

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[ Upstream commit f1b930e740 ]

If alloc_soc_dts() fails, then we can just return.  Trying to free
"soc_dts" will lead to an Oops.

Fixes: 8c18769396 ("thermal: intel Quark SoC X1000 DTS thermal driver")
Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Dan Carpenter 2023-02-27 13:06:50 +03:00 committed by Greg Kroah-Hartman
parent 5613c66f32
commit 0b366c6a42
1 changed files with 2 additions and 10 deletions
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12
drivers/thermal/intel_quark_dts_thermal.c
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@ -440,22 +440,14 @@ MODULE_DEVICE_TABLE(x86cpu, qrk_thermal_ids);
static int __init intel_quark_thermal_init(void)
{
int err = 0;
if (!x86_match_cpu(qrk_thermal_ids) || !iosf_mbi_available())
return -ENODEV;
soc_dts = alloc_soc_dts();
if (IS_ERR(soc_dts)) {
err = PTR_ERR(soc_dts);
goto err_free;
}
if (IS_ERR(soc_dts))
return PTR_ERR(soc_dts);
return 0;
err_free:
free_soc_dts(soc_dts);
return err;
}
static void __exit intel_quark_thermal_exit(void)