linux-kernel - [PATCH 03/30] viafb: Unmap the frame buffer on initialization error

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Message-Id: <1272493051-25380-4-git-send-email-corbet@lwn.net>
Date:	Wed, 28 Apr 2010 16:17:04 -0600
From:	Jonathan Corbet <corbet@....net>
To:	linux-kernel@...r.kernel.org
Cc:	Harald Welte <laforge@...monks.org>, linux-fbdev@...r.kernel.org,
	JosephChan@....com.tw, ScottFang@...tech.com.cn,
	Florian Tobias Schandinat <FlorianSchandinat@....de>
Subject: [PATCH 03/30] viafb: Unmap the frame buffer on initialization error

This was part of Harald's "make viafb a first-class citizen using
pci_driver" patch, but somehow got dropped when that patch went into
mainline.

Cc: Florian Tobias Schandinat <FlorianSchandinat@....de>
Cc: ScottFang@...tech.com.cn
Cc: JosephChan@....com.tw
Signed-off-by: Jonathan Corbet <corbet@....net>
---
 drivers/video/via/viafbdev.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)

diff --git a/drivers/video/via/viafbdev.c b/drivers/video/via/viafbdev.c
index 8af405b..8955ab4 100644
--- a/drivers/video/via/viafbdev.c
+++ b/drivers/video/via/viafbdev.c
@@ -1870,7 +1870,7 @@ static int __devinit via_pci_probe(struct pci_dev *pdev,
 			printk(KERN_ERR
 			"allocate the second framebuffer struct error\n");
 			rc = -ENOMEM;
-			goto out_delete_i2c;
+			goto out_unmap_screen;
 		}
 		viaparinfo1 = viafbinfo1->par;
 		memcpy(viaparinfo1, viaparinfo, viafb_par_length);
@@ -1961,6 +1961,8 @@ out_dealloc_cmap:
 out_fb1_release:
 	if (viafbinfo1)
 		framebuffer_release(viafbinfo1);
+out_unmap_screen:
+	iounmap(viafbinfo->screen_base);
 out_delete_i2c:
 	viafb_delete_i2c_buss(viaparinfo);
 out_fb_release:
-- 
1.7.0.1

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