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-rw-r--r--net/core/pktgen.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/net/core/pktgen.c b/net/core/pktgen.c
index b4899f5b7388..508155b283dd 100644
--- a/net/core/pktgen.c
+++ b/net/core/pktgen.c
@@ -1134,6 +1134,9 @@ static ssize_t pktgen_if_write(struct file *file,
return len;
i += len;
+ if ((value > 1) &&
+ (!(pkt_dev->odev->priv_flags & IFF_TX_SKB_SHARING)))
+ return -ENOTSUPP;
pkt_dev->burst = value < 1 ? 1 : value;
sprintf(pg_result, "OK: burst=%d", pkt_dev->burst);
return count;