net: sched: Return the correct errno code

When kalloc or kmemdup failed, should return ENOMEM rather than ENOBUF.

Signed-off-by: Zheng Yongjun <zhengyongjun3@huawei.com>
Link: https://lore.kernel.org/r/20210204073950.18372-1-zhengyongjun3@huawei.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

diff --git a/net/sched/em_nbyte.c b/net/sched/em_nbyte.c
index 2c1192a2ee5e1c596d56c709624f9ffa919becb6..a83b237cbeb06553c805dfeac3632fd69d6dc3c6 100644 (file)
--- a/net/sched/em_nbyte.c
+++ b/net/sched/em_nbyte.c
@@ -31,7 +31,7 @@ static int em_nbyte_change(struct net *net, void *data, int data_len,
        em->datalen = sizeof(*nbyte) + nbyte->len;
        em->data = (unsigned long)kmemdup(data, em->datalen, GFP_KERNEL);
        if (em->data == 0UL)
-               return -ENOBUFS;
+               return -ENOMEM;
 
        return 0;
 }