diff options
Diffstat (limited to 'arch/powerpc/kernel/syscalls.c')
| -rw-r--r-- | arch/powerpc/kernel/syscalls.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/syscalls.c b/arch/powerpc/kernel/syscalls.c index 4fe69ca24481..c04832c4a02e 100644 --- a/arch/powerpc/kernel/syscalls.c +++ b/arch/powerpc/kernel/syscalls.c @@ -143,6 +143,9 @@ static inline unsigned long do_mmap2(unsigned long addr, size_t len, struct file * file = NULL; unsigned long ret = -EINVAL; + if (!arch_validate_prot(prot)) + goto out; + if (shift) { if (off & ((1 << shift) - 1)) goto out; |