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authorJohn Clarke <johnc@kirriwa.net>2015-11-19 10:30:50 +0100
committerRichard Henderson <rth@twiddle.net>2015-11-23 13:16:05 +0100
commit644da9b39e477caa80bab69d2847dfcb468f0d33 (patch)
tree1401efac15b23075c07e5b8c8a0348d3694df499
parent541abd10a01da56c5f16582cd32d67114ec22a5c (diff)
downloadqemu-arm-644da9b39e477caa80bab69d2847dfcb468f0d33.tar.gz
tcg: Fix highwater check
A simple typo in the variable to use when comparing vs the highwater mark. Reports are that qemu can in fact segfault occasionally due to this mistake. Signed-off-by: John Clarke <johnc@kirriwa.net> Signed-off-by: Richard Henderson <rth@twiddle.net>
-rw-r--r--tcg/tcg.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/tcg/tcg.c b/tcg/tcg.c
index 682af8a7c6..b20ed19879 100644
--- a/tcg/tcg.c
+++ b/tcg/tcg.c
@@ -2443,7 +2443,7 @@ int tcg_gen_code(TCGContext *s, tcg_insn_unit *gen_code_buf)
one operation beginning below the high water mark cannot overrun
the buffer completely. Thus we can test for overflow after
generating code without having to check during generation. */
- if (unlikely(s->code_gen_ptr > s->code_gen_highwater)) {
+ if (unlikely((void *)s->code_ptr > s->code_gen_highwater)) {
return -1;
}
}