LU-13470 ptlrpc: return proper write count from ping_store

[fs/lustre-release.git] / lustre / ptlrpc / lproc_ptlrpc.c

diff --git a/lustre/ptlrpc/lproc_ptlrpc.c b/lustre/ptlrpc/lproc_ptlrpc.c
index 579a175..ce7d386 100644 (file)
--- a/lustre/ptlrpc/lproc_ptlrpc.c
+++ b/lustre/ptlrpc/lproc_ptlrpc.c
@@ -1330,7 +1330,9 @@ EXPORT_SYMBOL(ping_show);
 ssize_t ping_store(struct kobject *kobj, struct attribute *attr,
                   const char *buffer, size_t count)
 {
-       return ping_show(kobj, attr, (char *)buffer);
+       int rc = ping_show(kobj, attr, (char *)buffer);
+
+       return (rc < 0) ? rc : count;
 }
 EXPORT_SYMBOL(ping_store);