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platform/x86: ISST: Add a NULL check for sst_inst[]

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To be consistent with other places, add a NULL check for failed socket
loading by checking isst_common.sst_inst[].

Fixes: d805456c71 ("platform/x86: ISST: Enumerate TPMI SST and create framework")
Cc: stable@vger.kernel.org
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Link: https://patch.msgid.link/20260811222134.3912626-3-srinivas.pandruvada@linux.intel.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
This commit is contained in:
Srinivas Pandruvada 2026-08-11 15:21:34 -07:00 committed by Ilpo Järvinen
parent f9a647cb8d
commit 3de2776e9d
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1 changed files with 2 additions and 0 deletions
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2
drivers/platform/x86/intel/speed_select_if/isst_tpmi_core.c
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@ -1433,6 +1433,8 @@ static int isst_if_get_tpmi_instance_count(void __user *argp)
return -EINVAL;
sst_inst = isst_common.sst_inst[tpmi_inst.socket_id];
if (!sst_inst)
return -EINVAL;
tpmi_inst.count = isst_instance_count(sst_inst);