Merge branch 'vhost-net' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost
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@@ -371,7 +371,7 @@ static int log_access_ok(void __user *log_base, u64 addr, unsigned long sz)
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/* Make sure 64 bit math will not overflow. */
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/* Make sure 64 bit math will not overflow. */
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if (a > ULONG_MAX - (unsigned long)log_base ||
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if (a > ULONG_MAX - (unsigned long)log_base ||
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a + (unsigned long)log_base > ULONG_MAX)
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a + (unsigned long)log_base > ULONG_MAX)
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return -EFAULT;
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return 0;
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return access_ok(VERIFY_WRITE, log_base + a,
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return access_ok(VERIFY_WRITE, log_base + a,
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(sz + VHOST_PAGE_SIZE * 8 - 1) / VHOST_PAGE_SIZE / 8);
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(sz + VHOST_PAGE_SIZE * 8 - 1) / VHOST_PAGE_SIZE / 8);
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