diff options
| author | Amol Lad <amol@verismonetworks.com> | 2006-12-08 10:40:09 (GMT) |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.osdl.org> | 2006-12-08 16:29:04 (GMT) |
| commit | 164a765b9895f4f80f91cb7f1aab7539b3f8d335 (patch) | |
| tree | 3bf84420e5dbce010f93f675995f5d23924dc5d8 | |
| parent | f190017b889c45364576396a3bfa32acbb16bf2b (diff) | |
| download | linux-164a765b9895f4f80f91cb7f1aab7539b3f8d335.tar.xz | |
[PATCH] ioremap balanced with iounmap for drivers/video/macfb
ioremap must be balanced by an iounmap and failing to do so can result in a
memory leak.
Signed-off-by: Amol Lad <amol@verismonetworks.com>
Cc: "Antonino A. Daplas" <adaplas@pol.net>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
| -rw-r--r-- | drivers/video/macfb.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/video/macfb.c b/drivers/video/macfb.c index 80a0438..180d94c 100644 --- a/drivers/video/macfb.c +++ b/drivers/video/macfb.c @@ -608,6 +608,22 @@ void __init macfb_setup(char *options) } } +static void __init iounmap_macfb(void) +{ + if (valkyrie_cmap_regs) + iounmap(valkyrie_cmap_regs); + if (dafb_cmap_regs) + iounmap(dafb_cmap_regs); + if (v8_brazil_cmap_regs) + iounmap(v8_brazil_cmap_regs); + if (rbv_cmap_regs) + iounmap(rbv_cmap_regs); + if (civic_cmap_regs) + iounmap(civic_cmap_regs); + if (csc_cmap_regs) + iounmap(csc_cmap_regs); +} + static int __init macfb_init(void) { int video_cmap_len, video_is_nubus = 0; @@ -962,6 +978,10 @@ static int __init macfb_init(void) if (!err) printk("fb%d: %s frame buffer device\n", fb_info.node, fb_info.fix.id); + else { + iounmap(fb_info.screen_base); + iounmap_macfb(); + } return err; } |