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Subject[PATCH] irq: remove smp_affinity_list when unregister irq proc

got:
[ 274.239264] ------------[ cut here ]------------
[ 274.239500] WARNING: at fs/proc/generic.c:850 remove_proc_entry+0x24c/0x27a()
[ 274.251761] remove_proc_entry: removing non-empty directory 'irq/184', leaking at least 'smp_affinity_list'
[ 274.271696] Modules linked in:
[ 274.271880] Pid: 1, comm: swapper Tainted: G W 2.6.39-tip-yh-07723-gf48dc10-dirty #1051
[ 274.291734] Call Trace:
[ 274.291892] [<ffffffff8107cfa8>] warn_slowpath_common+0x85/0x9d
[ 274.311582] [<ffffffff8107d063>] warn_slowpath_fmt+0x46/0x48
[ 274.311874] [<ffffffff8118994e>] remove_proc_entry+0x24c/0x27a
[ 274.331549] [<ffffffff813336ca>] ? vsnprintf+0x3ed/0x429
[ 274.331798] [<ffffffff81333746>] ? sprintf+0x40/0x42
[ 274.351430] [<ffffffff810cde65>] unregister_irq_proc+0xb5/0xd2
[ 274.351715] [<ffffffff810ca64b>] free_desc+0x22/0x61
[ 274.371461] [<ffffffff810ca6c5>] irq_free_descs+0x3b/0x73
[ 274.371738] [<ffffffff81053bb3>] free_irq_at+0x31/0x36
[ 274.391409] [<ffffffff810553e6>] destroy_irq+0x74/0x7c
[ 274.391662] [<ffffffff81055619>] native_teardown_msi_irq+0xe/0x10
[ 274.411407] [<ffffffff8136239c>] default_teardown_msi_irqs+0x57/0x79
[ 274.411735] [<ffffffff81361c49>] free_msi_irqs+0x84/0xe2
[ 274.431394] [<ffffffff8136294d>] pci_disable_msi+0x35/0x39
[ 274.431678] [<ffffffff816574e2>] e1000e_reset_interrupt_capability+0x55/0x63
[ 274.451420] [<ffffffff81657701>] e1000_test_msi_interrupt+0x30/0x114
[ 274.451749] [<ffffffff81657853>] e1000_test_msi+0x6e/0xc5
[ 274.471429] [<ffffffff81658add>] e1000_open+0x10f/0x1e2
[ 274.471731] [<ffffffff81afed63>] __dev_open+0x9c/0xca
[ 274.491282] [<ffffffff81afef9d>] __dev_change_flags+0xad/0x130
[ 274.491561] [<ffffffff81aff0a1>] dev_change_flags+0x21/0x56
[ 274.511370] [<ffffffff82737d6b>] ic_open_devs+0xe3/0x233
[ 274.511637] [<ffffffff827394cf>] ip_auto_config+0xa5/0x2c0
[ 274.531432] [<ffffffff8273942a>] ? root_nfs_parse_addr+0xb5/0xb5
[ 274.531780] [<ffffffff810002cf>] do_one_initcall+0x57/0x134
[ 274.551599] [<ffffffff826ecf91>] kernel_init+0x137/0x1bb
[ 274.551884] [<ffffffff81c2e354>] kernel_thread_helper+0x4/0x10
[ 274.571423] [<ffffffff81c268c0>] ? retint_restore_args+0xe/0xe
[ 274.591165] [<ffffffff826ece5a>] ? start_kernel+0x3d3/0x3d3
[ 274.591483] [<ffffffff81c2e350>] ? gs_change+0xb/0xb
[ 274.611129] ---[ end trace e07c035be3c974e5 ]---

caused by:
| commit 4b060420a596095869a6d7849caa798d23839cd1
| Author: Mike Travis <travis@sgi.com>
| Date: Tue May 24 17:13:12 2011 -0700
|
| bitmap, irq: add smp_affinity_list interface to /proc/irq

it forgets to remove it in exit path

Signed-off-by: Yinghai Lu <yinghai@kernel.org>

---
kernel/irq/proc.c | 1 +
1 file changed, 1 insertion(+)

Index: linux-2.6/kernel/irq/proc.c
===================================================================
--- linux-2.6.orig/kernel/irq/proc.c
+++ linux-2.6/kernel/irq/proc.c
@@ -352,6 +352,7 @@ void unregister_irq_proc(unsigned int ir
#ifdef CONFIG_SMP
remove_proc_entry("smp_affinity", desc->dir);
remove_proc_entry("affinity_hint", desc->dir);
+ remove_proc_entry("smp_affinity_list", desc->dir);
remove_proc_entry("node", desc->dir);
#endif
remove_proc_entry("spurious", desc->dir);

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