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-rw-r--r--drivers/usb/serial/pl2303.c2
1 files changed, 0 insertions, 2 deletions
diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c
index 9ffff193823..0eb883f44ad 100644
--- a/drivers/usb/serial/pl2303.c
+++ b/drivers/usb/serial/pl2303.c
@@ -43,8 +43,6 @@ static int debug;
#define PL2303_BUF_SIZE 1024
#define PL2303_TMP_BUF_SIZE 1024
-static DECLARE_MUTEX(pl2303_tmp_buf_sem);
-
struct pl2303_buf {
unsigned int buf_size;
char *buf_buf;