When only the last resource is invalid, tpmi_sst_dev_add() is returing
error even if there are other valid resources before. This function
should return error when there are no valid resources.
Here tpmi_sst_dev_add() is returning "ret" variable. But this "ret"
variable contains the failure status of last call to sst_main(), which
failed for the invalid resource. But there may be other valid resources
before the last entry.
To address this, do not update "ret" variable for sst_main() return
status.
Fixes: 9d1d36268f3d ("platform/x86: ISST: Support partitioned systems")
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@xxxxxxxxxxxxxxx>
Cc: <stable@xxxxxxxxxxxxxxx> # 6.10+
---
drivers/platform/x86/intel/speed_select_if/isst_tpmi_core.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
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 7fa360073f6e..404582307109 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
@@ -1549,8 +1549,7 @@ int tpmi_sst_dev_add(struct auxiliary_device *auxdev)
goto unlock_free;
}
- ret = sst_main(auxdev, &pd_info[i]);
- if (ret) {
+ if (sst_main(auxdev, &pd_info[i])) {
/*
* This entry is not valid, hardware can partially
* populate dies. In this case MMIO will have 0xFFs.
--
2.45.0
