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From: Arnd Bergmann <arnd@arndb.de>
Date: Mon, 26 Oct 2020 22:49:07 +0100
Subject: scsi: libfc: Fix enum-conversion warning
Git-commit: 3fb52041a832a253f708c845dff081a0c4fef35e
Patch-mainline: v5.11-rc1
References: bsc#1186532

gcc -Wextra points out an assignment between two different enum types:

drivers/scsi/libfc/fc_exch.c: In function 'fc_exch_setup_hdr':
../drivers/scsi/libfc/fc_exch.c:275:26: warning: implicit conversion from 'enum fc_class' to 'enum fc_sof' [-Wenum-conversion]

This seems to be intentional, as the same numeric values are used here, so
shut up the warning by adding an explicit cast.

Link: https://lore.kernel.org/r/20201026214911.3892701-1-arnd@kernel.org
Fixes: 42e9a92fe6a9 ("[SCSI] libfc: A modular Fibre Channel library")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Acked-by: Lee Duncan <lduncan@suse.com>
---
 drivers/scsi/libfc/fc_exch.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/scsi/libfc/fc_exch.c b/drivers/scsi/libfc/fc_exch.c
index 91e680b53523..d71afae6191c 100644
--- a/drivers/scsi/libfc/fc_exch.c
+++ b/drivers/scsi/libfc/fc_exch.c
@@ -271,7 +271,7 @@ static void fc_exch_setup_hdr(struct fc_exch *ep, struct fc_frame *fp,
 
 	if (f_ctl & FC_FC_END_SEQ) {
 		fr_eof(fp) = FC_EOF_T;
-		if (fc_sof_needs_ack(ep->class))
+		if (fc_sof_needs_ack((enum fc_sof)ep->class))
 			fr_eof(fp) = FC_EOF_N;
 		/*
 		 * From F_CTL.