From: Chad Dupuis <chad.dupuis@cavium.com>
Date: Wed, 25 Apr 2018 13:08:50 +0000 (-0700)
Subject: scsi: qedf: Sanity check FCoE/FIP priority value to make sure it's between 0 and 7
X-Git-Tag: v4.18-rc1~66^2~134
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=a93755cf7e6e822e6856113342fe26ea874c92cc;p=thirdparty%2Fkernel%2Flinux.git

scsi: qedf: Sanity check FCoE/FIP priority value to make sure it's between 0 and 7

Signed-off-by: Chad Dupuis <chad.dupuis@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
---

diff --git a/drivers/scsi/qedf/qedf_main.c b/drivers/scsi/qedf/qedf_main.c
index 8dcacc5b5f604..1a58f4a9cdf9b 100644
--- a/drivers/scsi/qedf/qedf_main.c
+++ b/drivers/scsi/qedf/qedf_main.c
@@ -3405,6 +3405,13 @@ static int __init qedf_init(void)
 	if (qedf_debug == QEDF_LOG_DEFAULT)
 		qedf_debug = QEDF_DEFAULT_LOG_MASK;
 
+	/* Check that default prio for FIP/FCoE traffic is between 0..7 */
+	if (qedf_default_prio > 7) {
+		qedf_default_prio = QEDF_DEFAULT_PRIO;
+		QEDF_ERR(NULL, "FCoE/FIP priority out of range, resetting to %d.\n",
+		    QEDF_DEFAULT_PRIO);
+	}
+
 	/* Print driver banner */
 	QEDF_INFO(NULL, QEDF_LOG_INFO, "%s v%s.\n", QEDF_DESCR,
 		   QEDF_VERSION);