[Linuxptp-devel] [PATCH] phc2sys: Don't exit when reading of PHC fails.

[Miroslav L. <mli...@re...>]

Reading of the PHC can occasionally fail with some drivers, e.g. the ice
driver returns -EBUSY when it fails to get a lock. Change do_loop() to
ignore the error instead of exiting.

Signed-off-by: Miroslav Lichvar <mli...@re...>
---
 phc2sys.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/phc2sys.c b/phc2sys.c
index 15dd689..281ec9d 100644
--- a/phc2sys.c
+++ b/phc2sys.c
@@ -730,7 +730,7 @@ static int do_loop(struct phc2sys_private *priv)
 						   priv->master->sysoff_method,
 						   priv->phc_readings,
 						   &offset, &ts, &delay) < 0)
-					return -1;
+					continue;
 			} else if (priv->master->clkid == CLOCK_REALTIME &&
 				   clock->sysoff_method >= 0) {
 				/* use reversed sysoff */
@@ -738,7 +738,7 @@ static int do_loop(struct phc2sys_private *priv)
 						   clock->sysoff_method,
 						   priv->phc_readings,
 						   &offset, &ts, &delay) < 0)
-					return -1;
+					continue;
 				offset = -offset;
 				ts += offset;
 			} else {
@@ -747,7 +747,7 @@ static int do_loop(struct phc2sys_private *priv)
 						     clock->clkid,
 						     priv->phc_readings,
 						     &offset, &ts, &delay))
-					return -1;
+					continue;
 			}
 			update_clock(priv, clock, offset, ts, delay);
 		}
-- 
2.35.1