linux-kernel - [PATCH 3/3] staging: dgap: use dgap_release_remap() in dgap_cleanup

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Date:	Tue, 23 Sep 2014 09:22:36 +0900
From:	Daeseok Youn <daeseok.youn@...il.com>
To:	lidza.louina@...il.com, markh@...pro.net
Cc:	markh@...pro.net, daeseok.youn@...il.com,
	gregkh@...uxfoundation.org, driverdev-devel@...uxdriverproject.org,
	devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org
Subject: [PATCH 3/3] staging: dgap: use dgap_release_remap() in
 dgap_cleanup_board()

Just simply use dgap_release_remap() in dgap_cleanup_board() for
releasing map memory.

Signed-off-by: Daeseok Youn <daeseok.youn@...il.com>
---
 drivers/staging/dgap/dgap.c |   25 ++++++++++---------------
 1 files changed, 10 insertions(+), 15 deletions(-)

diff --git a/drivers/staging/dgap/dgap.c b/drivers/staging/dgap/dgap.c
index 637ea8a..d0be1ce 100644
--- a/drivers/staging/dgap/dgap.c
+++ b/drivers/staging/dgap/dgap.c
@@ -683,17 +683,7 @@ static void dgap_cleanup_board(struct board_t *brd)
 
 	tasklet_kill(&brd->helper_tasklet);
 
-	if (brd->re_map_port) {
-		release_mem_region(brd->membase + 0x200000, 0x200000);
-		iounmap(brd->re_map_port);
-		brd->re_map_port = NULL;
-	}
-
-	if (brd->re_map_membase) {
-		release_mem_region(brd->membase, 0x200000);
-		iounmap(brd->re_map_membase);
-		brd->re_map_membase = NULL;
-	}
+	dgap_release_remap(brd);
 
 	/* Free all allocated channels structs */
 	for (i = 0; i < MAXPORTS ; i++)
@@ -1023,10 +1013,15 @@ static int dgap_do_remap(struct board_t *brd)
 
 static void dgap_release_remap(struct board_t *brd)
 {
-	release_mem_region(brd->membase, 0x200000);
-	release_mem_region(brd->membase + PCI_IO_OFFSET, 0x200000);
-	iounmap(brd->re_map_membase);
-	iounmap(brd->re_map_port);
+	if (brd->re_map_membase) {
+		release_mem_region(brd->membase, 0x200000);
+		iounmap(brd->re_map_membase);
+	}
+
+	if (brd->re_map_port) {
+		release_mem_region(brd->membase + PCI_IO_OFFSET, 0x200000);
+		iounmap(brd->re_map_port);
+	}
 }
 /*****************************************************************************
 *
-- 
1.7.1

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