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-rw-r--r--net/core/sysctl_net_core.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/net/core/sysctl_net_core.c b/net/core/sysctl_net_core.c
index b60fac380cec..e7c0121dfaa1 100644
--- a/net/core/sysctl_net_core.c
+++ b/net/core/sysctl_net_core.c
@@ -69,8 +69,10 @@ static void dump_cpumask(void *buffer, size_t *lenp, loff_t *ppos,
return;
}
- if (len < *lenp)
- kbuf[len++] = '\n';
+ /* scnprintf writes a trailing null char not counted in the returned
+ * length, override it with a newline.
+ */
+ kbuf[len++] = '\n';
memcpy(buffer, kbuf, len);
*lenp = len;
*ppos += len;