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-rw-r--r--src/sim/syscall_emul.hh2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/sim/syscall_emul.hh b/src/sim/syscall_emul.hh
index a0fb7e4ed..a1c3b2905 100644
--- a/src/sim/syscall_emul.hh
+++ b/src/sim/syscall_emul.hh
@@ -1484,7 +1484,7 @@ mmapImpl(SyscallDesc *desc, int num, Process *p, ThreadContext *tc,
return -EBADF;
sim_fd = ffdp->getSimFD();
- pmap = (decltype(pmap))mmap(NULL, length, PROT_READ, MAP_PRIVATE,
+ pmap = (decltype(pmap))mmap(nullptr, length, PROT_READ, MAP_PRIVATE,
sim_fd, offset);
if (pmap == (decltype(pmap))-1) {