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@gmx.de>
Cc: ScottFang@viatech.com.cn
Cc: JosephChan@via.com.tw
Signed-off-by: Jonathan Corbet <corbet@lwn.net>

1 files changed, 3 insertions, 1 deletions

diff --git a/drivers/video/via/viafbdev.c b/drivers/video/via/viafbdev.c
index 8af405bf077b..8955ab4caac8 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: