mirror of https://github.com/proxmox/mirror_qemu
Fix zero-length write(2).
Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>master
parent
c581deda32
commit
3e0650a9c9
3
exec.c
3
exec.c
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@ -2429,6 +2429,9 @@ int page_check_range(target_ulong start, target_ulong len, int flags)
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assert(start < ((abi_ulong)1 << L1_MAP_ADDR_SPACE_BITS));
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assert(start < ((abi_ulong)1 << L1_MAP_ADDR_SPACE_BITS));
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#endif
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#endif
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if (len == 0) {
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return 0;
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}
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if (start + len - 1 < start) {
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if (start + len - 1 < start) {
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/* We've wrapped around. */
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/* We've wrapped around. */
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return -1;
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return -1;
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