linux-kernel - [PATCH v2] altera-stapl: remove the unreached switch case

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Date:   Sat, 14 Nov 2020 00:14:31 +0800
From:   xiakaixu1987@...il.com
To:     arnd@...db.de, gregkh@...uxfoundation.org, David.Laight@...lab.com
Cc:     linux-kernel@...r.kernel.org, Kaixu Xia <kaixuxia@...cent.com>
Subject: [PATCH v2] altera-stapl: remove the unreached switch case

From: Kaixu Xia <kaixuxia@...cent.com>

The value of the variable status must be one of the 0, -EIO and -EILSEQ, so
the switch case -ENODATA is unreached. Remove it.

Reported-by: Tosk Robot <tencent_os_robot@...cent.com>
Signed-off-by: Kaixu Xia <kaixuxia@...cent.com>
---
v2:
 -leave a 'default' case in there.

 drivers/misc/altera-stapl/altera.c | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/drivers/misc/altera-stapl/altera.c b/drivers/misc/altera-stapl/altera.c
index 5bdf57472314..92c0611034b0 100644
--- a/drivers/misc/altera-stapl/altera.c
+++ b/drivers/misc/altera-stapl/altera.c
@@ -2265,11 +2265,6 @@ static int altera_check_crc(u8 *p, s32 program_size)
 				"actual %04x\n", __func__, local_expected,
 				local_actual);
 			break;
-		case -ENODATA:
-			printk(KERN_ERR "%s: expected CRC not found, "
-				"actual CRC = %04x\n", __func__,
-				local_actual);
-			break;
 		case -EIO:
 			printk(KERN_ERR "%s: error: format isn't "
 				"recognized.\n", __func__);
-- 
2.20.0