From: Manank Patel <pmanank200502@gmail.com> mainline inclusion from mainline-v6.1-rc3 commit: 8338b74a750c534c223e8943cc0ed0e198ece261 category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I9VPZ8 Reference: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?i... -------------------------------------------------- Fix an 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@gmail.com> Acked-by: Sudeep Holla <sudeep.holla@arm.com> Acked-by: Huisong Li <lihuisong@huawei.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Signed-off-by: Zhang Zekun <zhangzekun11@huawei.com> --- 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; -- 2.17.1