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-rw-r--r--src/common/linux/dump_symbols.cc2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/common/linux/dump_symbols.cc b/src/common/linux/dump_symbols.cc
index 36cd6d85..aff0d792 100644
--- a/src/common/linux/dump_symbols.cc
+++ b/src/common/linux/dump_symbols.cc
@@ -759,7 +759,7 @@ bool DumpSymbols::WriteSymbolFile(const std::string &obj_file,
return false;
void *obj_base = mmap(NULL, st.st_size,
PROT_READ | PROT_WRITE, MAP_PRIVATE, obj_fd, 0);
- if (!obj_base)
+ if (obj_base == MAP_FAILED)
return false;
MmapWrapper map_wrapper(obj_base, st.st_size);
ElfW(Ehdr) *elf_header = reinterpret_cast<ElfW(Ehdr) *>(obj_base);