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| author | Peter Jones <pjones@redhat.com> | 2013-07-25 17:48:11 +0200 |
|---|---|---|
| committer | Tomi Valkeinen <tomi.valkeinen@ti.com> | 2013-08-30 09:46:23 +0200 |
| commit | 907355a97f06af8d23c62fcb482cd91b8576972d (patch) | |
| tree | cf463c351dd003ad0d81475b82389a10c959ed9b | |
| parent | at91/avr32/atmel_lcdfb: prepare clk before calling enable (diff) | |
| download | linux-907355a97f06af8d23c62fcb482cd91b8576972d.tar.xz linux-907355a97f06af8d23c62fcb482cd91b8576972d.zip | |
Release efifb's colormap in efifb_destroy()
This was found by Alexandra Kossovsky, who noted this traceback from
kmemleak:
> unreferenced object 0xffff880216fcfe00 (size 512):
> comm "swapper/0", pid 1, jiffies 4294895429 (age 1415.320s)
> hex dump (first 32 bytes):
> 00 00 00 00 00 00 00 00 aa aa aa aa aa aa aa aa ................
> 55 55 55 55 55 55 55 55 ff ff ff ff ff ff ff ff UUUUUUUU........
> backtrace:
> [<ffffffff813e415c>] kmemleak_alloc+0x21/0x3e
> [<ffffffff8111c17f>]
> kmemleak_alloc_recursive.constprop.57+0x16/0x18
> [<ffffffff8111e63b>] __kmalloc+0xf9/0x144
> [<ffffffff8123d9cf>] fb_alloc_cmap_gfp+0x47/0xe1
> [<ffffffff8123da77>] fb_alloc_cmap+0xe/0x10
> [<ffffffff81aff40a>] efifb_probe+0x3e9/0x48f
> [<ffffffff812c566f>] platform_drv_probe+0x34/0x5e
> [<ffffffff812c3e6d>] driver_probe_device+0x98/0x1b4
> [<ffffffff812c3fd7>] __driver_attach+0x4e/0x6f
> [<ffffffff812c25bf>] bus_for_each_dev+0x57/0x8a
> [<ffffffff812c3984>] driver_attach+0x19/0x1b
> [<ffffffff812c362b>] bus_add_driver+0xde/0x201
> [<ffffffff812c453f>] driver_register+0x8c/0x110
> [<ffffffff812c510d>] platform_driver_register+0x41/0x43
> [<ffffffff812c5127>] platform_driver_probe+0x18/0x8a
> [<ffffffff81aff002>] efifb_init+0x276/0x295
Signed-off-by: Peter Jones <pjones@redhat.com>
Reviewed-by: David Herrmann <dh.herrmann@gmail.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
| -rw-r--r-- | drivers/video/efifb.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/video/efifb.c b/drivers/video/efifb.c index 50fe668c6172..1c7dd5e69352 100644 --- a/drivers/video/efifb.c +++ b/drivers/video/efifb.c @@ -288,6 +288,7 @@ static void efifb_destroy(struct fb_info *info) if (request_mem_succeeded) release_mem_region(info->apertures->ranges[0].base, info->apertures->ranges[0].size); + fb_dealloc_cmap(&info->cmap); framebuffer_release(info); } |