This is a note to let you know that I've just added the patch titled
thermal: intel: quark_dts: fix error pointer dereference
to the 5.15-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
thermal-intel-quark_dts-fix-error-pointer-dereferenc.patch
and it can be found in the queue-5.15 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit a5a822053b302720d2df06701889656fcd9bc474
Author: Dan Carpenter <error27@xxxxxxxxx>
Date: Mon Feb 27 13:06:50 2023 +0300
thermal: intel: quark_dts: fix error pointer dereference
[ Upstream commit f1b930e740811d416de4d2074da48b6633a672c8 ]
If alloc_soc_dts() fails, then we can just return. Trying to free
"soc_dts" will lead to an Oops.
Fixes: 8c1876939663 ("thermal: intel Quark SoC X1000 DTS thermal driver")
Signed-off-by: Dan Carpenter <error27@xxxxxxxxx>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/thermal/intel/intel_quark_dts_thermal.c b/drivers/thermal/intel/intel_quark_dts_thermal.c
index 3eafc6b0e6c30..b43fbd5eaa6b4 100644
--- a/drivers/thermal/intel/intel_quark_dts_thermal.c
+++ b/drivers/thermal/intel/intel_quark_dts_thermal.c
@@ -415,22 +415,14 @@ 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)
