[PATCH 2/2] platform/x86: ISST: Add a NULL check for sst_inst[]
Srinivas Pandruvada <[email protected]>
| Newsgroups | org.kernel.vger.platform-driver-x86,org.kernel.vger.linux-kernel,org.kernel.vger.stable |
|---|---|
| Message-ID | <[email protected]> |
To be consistent with other places, add a NULL check for failed socket
loading by checking isst_common.sst_inst[].
Fixes: d805456c712f ("platform/x86: ISST: Enumerate TPMI SST and create framework")
Cc: [email protected]
Signed-off-by: Srinivas Pandruvada <[email protected]>
---
drivers/platform/x86/intel/speed_select_if/isst_tpmi_core.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/platform/x86/intel/speed_select_if/isst_tpmi_core.c b/drivers/platform/x86/intel/speed_select_if/isst_tpmi_core.c
index 68c3a06004eb..e6d370907c01 100644
--- a/drivers/platform/x86/intel/speed_select_if/isst_tpmi_core.c
+++ b/drivers/platform/x86/intel/speed_select_if/isst_tpmi_core.c
@@ -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);
--
2.55.0