hv_utils: Fix passing zero to 'PTR_ERR' warning

Sparse warn this:

drivers/hv/hv_util.c:753 hv_timesync_init() warn:
 passing zero to 'PTR_ERR'

Use PTR_ERR_OR_ZERO instead of PTR_ERR to fix this.

Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Link: https://lore.kernel.org/r/20210514070116.16800-1-yuehaibing@huawei.com
[ wei: change %ld to %d ]
Signed-off-by: Wei Liu <wei.liu@kernel.org>

diff --git a/drivers/hv/hv_util.c b/drivers/hv/hv_util.c
index e4aefeb..136576c 100644 (file)
--- a/drivers/hv/hv_util.c
+++ b/drivers/hv/hv_util.c
@@ -750,8 +750,8 @@ static int hv_timesync_init(struct hv_util_service *srv)
         */
        hv_ptp_clock = ptp_clock_register(&ptp_hyperv_info, NULL);
        if (IS_ERR_OR_NULL(hv_ptp_clock)) {
-               pr_err("cannot register PTP clock: %ld\n",
-                      PTR_ERR(hv_ptp_clock));
+               pr_err("cannot register PTP clock: %d\n",
+                      PTR_ERR_OR_ZERO(hv_ptp_clock));
                hv_ptp_clock = NULL;
        }