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| author | Petr Mladek <pmladek@suse.com> | 2021-11-02 10:39:27 +0100 |
|---|---|---|
| committer | Petr Mladek <pmladek@suse.com> | 2021-11-02 10:39:27 +0100 |
| commit | 40e64a88dadcfa168914065baf7f035de957bbe0 (patch) | |
| tree | 06c8c4a9e6c1b478aa6851794c6a33bec1ce6ec4 /arch/powerpc/kernel/syscalls.c | |
| parent | lib/vsprintf.c: Amend static asserts for format specifier flags (diff) | |
| parent | vsprintf: Update %pGp documentation about that it prints hex value (diff) | |
| download | linux-40e64a88dadcfa168914065baf7f035de957bbe0.tar.xz linux-40e64a88dadcfa168914065baf7f035de957bbe0.zip | |
Merge branch 'for-5.16-vsprintf-pgp' into for-linus
Diffstat (limited to 'arch/powerpc/kernel/syscalls.c')
| -rw-r--r-- | arch/powerpc/kernel/syscalls.c | 15 |
1 files changed, 4 insertions, 11 deletions
diff --git a/arch/powerpc/kernel/syscalls.c b/arch/powerpc/kernel/syscalls.c index bf4ae0f0e36c..825931e400df 100644 --- a/arch/powerpc/kernel/syscalls.c +++ b/arch/powerpc/kernel/syscalls.c @@ -41,20 +41,13 @@ static inline long do_mmap2(unsigned long addr, size_t len, unsigned long prot, unsigned long flags, unsigned long fd, unsigned long off, int shift) { - long ret = -EINVAL; - if (!arch_validate_prot(prot, addr)) - goto out; + return -EINVAL; - if (shift) { - if (off & ((1 << shift) - 1)) - goto out; - off >>= shift; - } + if (!IS_ALIGNED(off, 1 << shift)) + return -EINVAL; - ret = ksys_mmap_pgoff(addr, len, prot, flags, fd, off); -out: - return ret; + return ksys_mmap_pgoff(addr, len, prot, flags, fd, off >> shift); } SYSCALL_DEFINE6(mmap2, unsigned long, addr, size_t, len, |