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-rw-r--r--linux-user/mmap.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/linux-user/mmap.c b/linux-user/mmap.c
index d459c61b29..fa01c7bc2a 100644
--- a/linux-user/mmap.c
+++ b/linux-user/mmap.c
@@ -49,8 +49,7 @@ int target_mprotect(abi_ulong start, abi_ulong len, int prot)
end = start + len;
if (end < start)
return -EINVAL;
- if (prot & ~(PROT_READ | PROT_WRITE | PROT_EXEC))
- return -EINVAL;
+ prot &= PROT_READ | PROT_WRITE | PROT_EXEC;
if (len == 0)
return 0;