[PATCH -next] hv_utils: Fix passing zero to 'PTR_ERR' warning
From: YueHaibing <hidden>
Date: 2021-05-14 07:01:45
Also in:
lkml
Subsystem:
hyper-v/azure core and drivers, the rest · Maintainers:
"K. Y. Srinivasan", Haiyang Zhang, Wei Liu, Dexuan Cui, Long Li, Linus Torvalds
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 <redacted> --- drivers/hv/hv_util.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/hv/hv_util.c b/drivers/hv/hv_util.c
index e4aefeb330da..367fc6b3db3e 100644
--- a/drivers/hv/hv_util.c
+++ b/drivers/hv/hv_util.c@@ -751,7 +751,7 @@ 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)); + PTR_ERR_OR_ZERO(hv_ptp_clock)); hv_ptp_clock = NULL; }
--
2.17.1