diff options
| author | Alex Shi <alex.shi@linaro.org> | 2015-06-25 16:17:21 +0800 |
|---|---|---|
| committer | Alex Shi <alex.shi@linaro.org> | 2015-06-25 16:19:06 +0800 |
| commit | bd4e9a26373331ef6f185500c72a8836eb7c82d9 (patch) | |
| tree | 13384e7649be7bb88ab9524efcbc602be85d5020 /lib | |
| parent | 2528dbd348dd541e090594b7aac3f62351078388 (diff) | |
| parent | 2cb9802eeb7f919f97df05b16ec128f4f5af366d (diff) | |
Merge branch 'linux-linaro-lsk-v3.14' into linux-linaro-lsk-v3.14-androidlsk-v3.14-15.07-android
Conflicts:
fs/exec.c
Solutions:
follow commit d221244a7
sched: move no_new_privs into new atomic flags
to use task_no_new_privs(current).
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/string.c | 2 | ||||
| -rw-r--r-- | lib/strnlen_user.c | 3 |
2 files changed, 3 insertions, 2 deletions
diff --git a/lib/string.c b/lib/string.c index 43d0781daf47..cb9ea2181557 100644 --- a/lib/string.c +++ b/lib/string.c @@ -598,7 +598,7 @@ EXPORT_SYMBOL(memset); void memzero_explicit(void *s, size_t count) { memset(s, 0, count); - OPTIMIZER_HIDE_VAR(s); + barrier(); } EXPORT_SYMBOL(memzero_explicit); diff --git a/lib/strnlen_user.c b/lib/strnlen_user.c index a28df5206d95..11649615c505 100644 --- a/lib/strnlen_user.c +++ b/lib/strnlen_user.c @@ -57,7 +57,8 @@ static inline long do_strnlen_user(const char __user *src, unsigned long count, return res + find_zero(data) + 1 - align; } res += sizeof(unsigned long); - if (unlikely(max < sizeof(unsigned long))) + /* We already handled 'unsigned long' bytes. Did we do it all ? */ + if (unlikely(max <= sizeof(unsigned long))) break; max -= sizeof(unsigned long); if (unlikely(__get_user(c,(unsigned long __user *)(src+res)))) |