The patch titled
ioremap balanced with iounmap for drivers/video/virgefb
has been added to the -mm tree. Its filename is
ioremap-balanced-with-iounmap-for-drivers-video-virgefb.patch
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: ioremap balanced with iounmap for drivers/video/virgefb
From: Amol Lad <amol@xxxxxxxxxxxxxxxxxxx>
ioremap must be balanced by an iounmap and failing to do so can result in a
memory leak.
Signed-off-by: Amol Lad <amol@xxxxxxxxxxxxxxxxxxx>
Cc: "Antonino A. Daplas" <adaplas@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxx>
---
drivers/video/virgefb.c | 17 ++++++++++++++++-
1 files changed, 16 insertions(+), 1 deletion(-)
diff -puN drivers/video/virgefb.c~ioremap-balanced-with-iounmap-for-drivers-video-virgefb drivers/video/virgefb.c
--- a/drivers/video/virgefb.c~ioremap-balanced-with-iounmap-for-drivers-video-virgefb
+++ a/drivers/video/virgefb.c
@@ -1799,7 +1799,7 @@ int __init virgefb_init(void)
#warning release resources
printk(KERN_ERR "virgefb.c: register_framebuffer failed\n");
DPRINTK("EXIT\n");
- return -EINVAL;
+ goto out_unmap;
}
printk(KERN_INFO "fb%d: %s frame buffer device, using %ldK of video memory\n",
@@ -1809,6 +1809,21 @@ int __init virgefb_init(void)
DPRINTK("EXIT\n");
return 0;
+
+out_unmap:
+ if (board_addr >= 0x01000000) {
+ if (v_ram)
+ iounmap((void*)v_ram);
+ if (vgaio_regs)
+ iounmap(vgaio_regs);
+ if (mmio_regs)
+ iounmap(mmio_regs);
+ if (vcode_switch_base)
+ iounmap((void*)vcode_switch_base);
+ v_ram = vcode_switch_base = 0;
+ vgaio_regs = mmio_regs = NULL;
+ }
+ return -EINVAL;
}
_
Patches currently in -mm which might be from amol@xxxxxxxxxxxxxxxxxxx are
ioremap-balanced-with-iounmap-drivers-scsi-zalonc.patch
ioremap-balanced-with-iounmap-drivers-scsi-sun3_scsic.patch
ioremap-balanced-with-iounmap-drivers-scsi-sun3_scsi_vmec.patch
ioremap-balanced-with-iounmap-drivers-scsi-seagatec.patch
ioremap-balanced-with-iounmap-drivers-scsi-qlogicptic.patch
ioremap-balanced-with-iounmap-drivers-scsi-nsp32c.patch
ioremap-balanced-with-iounmap-drivers-scsi-ncr53c8xxc.patch
ioremap-balanced-with-iounmap-drivers-scsi-fdomainc.patch
ioremap-balanced-with-iounmap-drivers-scsi-amiga7xxc.patch
ioremap-balanced-with-iounmap-drivers-scsi-3w-9xxxc.patch
ioremap-balanced-with-iounmap-for-drivers-video-virgefb.patch
ioremap-balanced-with-iounmap-for-drivers-video-vesafb.patch
ioremap-balanced-with-iounmap-for-drivers-video-tridentfb.patch
ioremap-balanced-with-iounmap-for-drivers-video-tgafb.patch
ioremap-balanced-with-iounmap-for-drivers-video-stifb.patch
ioremap-balanced-with-iounmap-for-drivers-video-retz3fb.patch
ioremap-balanced-with-iounmap-for-drivers-video-pvr2fb.patch
ioremap-balanced-with-iounmap-for-drivers-video-platinumfb.patch
ioremap-balanced-with-iounmap-for-drivers-video-offb.patch
ioremap-balanced-with-iounmap-for-drivers-video-newport_con.patch
ioremap-balanced-with-iounmap-for-drivers-video-macfb.patch
ioremap-balanced-with-iounmap-for-drivers-video-hpfb.patch
ioremap-balanced-with-iounmap-for-drivers-video-fm2fb.patch
ioremap-balanced-with-iounmap-for-drivers-video-ffb.patch
ioremap-balanced-with-iounmap-for-drivers-video-cyberfb.patch
ioremap-balanced-with-iounmap-for-drivers-video-cirrusfb.patch
ioremap-balanced-with-iounmap-for-drivers-video-atyfb_base.patch
ioremap-balanced-with-iounmap-for-drivers-video-atafb.patch
ioremap-balanced-with-iounmap-for-drivers-video-amifb.patch
ioremap-balanced-with-iounmap-for-drivers-video-S3triofb.patch
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