Matthew Auld
3871f42a57
drm/i915: fix aliasing_ppgtt leak
In i915_ggtt_cleanup_hw we need to remember to free aliasing_ppgtt. This
fixes the following kmemleak message:
unreferenced object 0xffff880213cca000 (size 8192):
comm "modprobe", pid 1298, jiffies 4294745402 (age 703.930s)
hex dump (first 32 bytes):
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
backtrace:
[<ffffffff817c808e>] kmemleak_alloc+0x4e/0xb0
[<ffffffff8121f9c2>] kmem_cache_alloc_trace+0x142/0x1d0
[<ffffffffa06d11ef>] i915_gem_init_ggtt+0x10f/0x210 [i915]
[<ffffffffa06d71bb>] i915_gem_init+0x5b/0xd0 [i915]
[<ffffffffa069749a>] i915_driver_load+0x97a/0x1460 [i915]
[<ffffffffa06a26ef>] i915_pci_probe+0x4f/0x70 [i915]
[<ffffffff81423015>] local_pci_probe+0x45/0xa0
[<ffffffff81424463>] pci_device_probe+0x103/0x150
[<ffffffff81515e6c>] driver_probe_device+0x22c/0x440
[<ffffffff81516151>] __driver_attach+0xd1/0xf0
[<ffffffff8151379c>] bus_for_each_dev+0x6c/0xc0
[<ffffffff8151555e>] driver_attach+0x1e/0x20
[<ffffffff81514fa3>] bus_add_driver+0x1c3/0x280
[<ffffffff81516aa0>] driver_register+0x60/0xe0
[<ffffffff8142297c>] __pci_register_driver+0x4c/0x50
[<ffffffffa013605b>] 0xffffffffa013605b
Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Fixes: b18b6bde30 ("drm/i915/bdw: Free PPGTT struct")
Cc: stable@vger.kernel.org
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1470420280-21417-1-git-send-email-matthew.auld@intel.com
(cherry picked from commit cb7f27601c)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
2016-08-11 01:05:48 +03:00
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