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-rw-r--r--drivers/usb/serial/option.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index 4c9497d05d1..5ed183477aa 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -522,9 +522,9 @@ static int debug;
/* per port private data */
#define N_IN_URB 4
-#define N_OUT_URB 1
+#define N_OUT_URB 4
#define IN_BUFLEN 4096
-#define OUT_BUFLEN 128
+#define OUT_BUFLEN 4096
struct option_port_private {
/* Input endpoints and buffer for this port */