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[PATCH] device-mapper dm-emc: Fix a memset
The dm emc hardware handler code memset the hardware handler structure to zero AFTER it had initialized the structure's spinlock field. Signed-Off-By: Alasdair G Kergon <agk@redhat.com> From: Dave Olien <dmo@osdl.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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@ -223,8 +223,10 @@ static struct emc_handler *alloc_emc_handler(void)
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{
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struct emc_handler *h = kmalloc(sizeof(*h), GFP_KERNEL);
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if (h)
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if (h) {
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memset(h, 0, sizeof(*h));
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spin_lock_init(&h->lock);
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}
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return h;
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}
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@ -259,8 +261,6 @@ static int emc_create(struct hw_handler *hwh, unsigned argc, char **argv)
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if (!h)
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return -ENOMEM;
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memset(h, 0, sizeof(*h));
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hwh->context = h;
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if ((h->short_trespass = short_trespass))
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