CMY
29dc0928ee
arm64: ion: fix scatterlist alloc fault on ion_system heap
Fix this bug:
WARNING: at lib/scatterlist.c:251 __sg_alloc_table+0x5c/0x15c()
Modules linked in: pvrsrvkm(O)
CPU: 2 PID: 582 Comm: Binder_5 Tainted: G O 3.10.0 #10
Call trace:
[<ffffffc000088164>] dump_backtrace+0x0/0x140
[<ffffffc0000882b4>] show_stack+0x10/0x1c
[<ffffffc0008ccaf0>] dump_stack+0x1c/0x28
[<ffffffc0000a13c0>] warn_slowpath_common+0x74/0x9c
[<ffffffc0000a14ac>] warn_slowpath_null+0x14/0x20
[<ffffffc0002fadc4>] __sg_alloc_table+0x58/0x15c
[<ffffffc0002faee8>] sg_alloc_table+0x20/0x50
[<ffffffc00067ab7c>] ion_system_heap_allocate+0x188/0x318
[<ffffffc00067823c>] ion_alloc+0x134/0x788
[<ffffffc000678d68>] ion_ioctl+0x15c/0x344
[<ffffffc0001840ac>] vfs_ioctl+0x20/0x3c
[<ffffffc0001849b4>] do_vfs_ioctl+0x478/0x550
[<ffffffc000184ae8>] SyS_ioctl+0x5c/0x88
Signed-off-by: CMY <cmy@rock-chips.com>
2015-03-10 15:45:14 +08:00
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