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tsan: fix potential NULL deref 

llvm-svn: 157047
This commit is contained in:
Dmitry Vyukov 2012-05-18 08:53:16 +00:00
parent b638ee0ed3
commit bea47a5029
1 changed files with 1 additions and 1 deletions
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2
compiler-rt/lib/tsan/rtl/tsan_interceptors.cc
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@ -295,7 +295,7 @@ TSAN_INTERCEPTOR(int, strcmp, const char *s1, const char *s2) {
TSAN_INTERCEPTOR(int, strncmp, const char *s1, const char *s2, uptr n) { TSAN_INTERCEPTOR(int, strncmp, const char *s1, const char *s2, uptr n) {
SCOPED_TSAN_INTERCEPTOR(strncmp, s1, s2, n); SCOPED_TSAN_INTERCEPTOR(strncmp, s1, s2, n);
uptr len = 0; uptr len = 0;
for (; s1[len] && s2[len] && len < n; len++) { for (; len < n && s1[len] && s2[len]; len++) {
if (s1[len] != s2[len]) if (s1[len] != s2[len])
break; break;
} }