From: Artem Mygaiev <joculator@gmail.com>
Date: Wed, 9 Oct 2019 14:20:16 +0000 (+0300)
Subject: xen/char: scif-uart: Remove useless ASSERT condition
X-Git-Url: http://xenbits.xensource.com/gitweb?a=commitdiff_plain;h=1eeedaf5a0d9ed6324f3bd5b700bb22eb4355341;p=people%2Fdwmw2%2Fxen.git

xen/char: scif-uart: Remove useless ASSERT condition

cnt is unsigned, so always >=0

Coverity-ID: 1381848
Signed-off-by: Artem Mygaiev <artem_mygaiev@epam.com>
[julien: Update commit title]
Acked-by: Julien Grall <julien@xen.org>
---

diff --git a/xen/drivers/char/scif-uart.c b/xen/drivers/char/scif-uart.c
index fa0b8274ca..9d3f66b55b 100644
--- a/xen/drivers/char/scif-uart.c
+++ b/xen/drivers/char/scif-uart.c
@@ -205,7 +205,7 @@ static int scif_uart_tx_ready(struct serial_port *port)
 
      /* Check number of data bytes stored in TX FIFO */
     cnt = scif_readw(uart, SCIF_SCFDR) >> 8;
-    ASSERT( cnt >= 0 && cnt <= params->fifo_size );
+    ASSERT( cnt <= params->fifo_size );
 
     return (params->fifo_size - cnt);
 }