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authorManank Patel <pmanank200502@gmail.com>2022-10-17 20:43:39 +0200
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2022-10-26 13:33:31 +0200
commit8338b74a750c534c223e8943cc0ed0e198ece261 (patch)
tree9aa90ac86cb6eb3c0ae8c43ccb47da7e4c058eac /drivers/acpi
parentLinux 6.1-rc2 (diff)
downloadlinux-8338b74a750c534c223e8943cc0ed0e198ece261.tar.xz
linux-8338b74a750c534c223e8943cc0ed0e198ece261.zip
ACPI: PCC: Fix unintentional integer overflow
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>
Diffstat (limited to 'drivers/acpi')
-rw-r--r--drivers/acpi/acpi_pcc.c2
1 files changed, 1 insertions, 1 deletions
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;