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| author | Ingo Molnar <mingo@kernel.org> | 2018-07-17 09:27:43 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2018-07-17 09:27:43 +0200 |
| commit | 52b544bd386688177c41d53e748111c29d0ccc98 (patch) | |
| tree | c2083582176e773084364af93cc44e0f94b6cde8 /arch/x86/kernel/cpu/mtrr/if.c | |
| parent | afed7bcf9487bb28e2e2b016a195085c07416c0b (diff) | |
| parent | 9d3cce1e8b8561fed5f383d22a4d6949db4eadbe (diff) | |
Merge tag 'v4.18-rc5' into locking/core, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/kernel/cpu/mtrr/if.c')
| -rw-r--r-- | arch/x86/kernel/cpu/mtrr/if.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/x86/kernel/cpu/mtrr/if.c b/arch/x86/kernel/cpu/mtrr/if.c index 4021d3859499..40eee6cc4124 100644 --- a/arch/x86/kernel/cpu/mtrr/if.c +++ b/arch/x86/kernel/cpu/mtrr/if.c @@ -106,7 +106,8 @@ mtrr_write(struct file *file, const char __user *buf, size_t len, loff_t * ppos) memset(line, 0, LINE_SIZE); - length = strncpy_from_user(line, buf, LINE_SIZE - 1); + len = min_t(size_t, len, LINE_SIZE - 1); + length = strncpy_from_user(line, buf, len); if (length < 0) return length; |