在 2022/10/18 2:43, Manank Patel 写道:
Fixed unintentional u32 overflow by changing PCC_CMD_WAIT_RETRIES_NUM to 500ULL
Fixes: 91cefefb6991 ("ACPI: PCC: replace wait_for_completion()")
Signed-off-by: Manank Patel <pmanank200502@xxxxxxxxx>
Acked-by: Sudeep Holla <sudeep.holla@xxxxxxx>
---
Thank you so much @sudeep for your clarifications!
Changelog:
v1->v2:
Change the macro itself to ULL instead of typecasting in the
code
drivers/acpi/acpi_pcc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/acpi/acpi_pcc.c b/drivers/acpi/acpi_pcc.c
index ee4ce5ba1fb2..3e252be047b8 100644
--- a/drivers/acpi/acpi_pcc.c
+++ b/drivers/acpi/acpi_pcc.c
@@ -27,7 +27,7 @@
* Arbitrary retries in case the remote processor is slow to respond
* to PCC commands
*/
-#define PCC_CMD_WAIT_RETRIES_NUM 500
+#define PCC_CMD_WAIT_RETRIES_NUM 500ULL
struct pcc_data {
struct pcc_mbox_chan *pcc_chan;
Acked-by: Huisong Li <lihuisong@xxxxxxxxxx>
