diff options
| author | Ingo Molnar <mingo@kernel.org> | 2018-01-10 10:52:40 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2018-01-10 10:52:40 +0100 |
| commit | cb1f34ddccb46f7c1bb61e98b7d44751a20c7e49 (patch) | |
| tree | 6cbcf7e9d87bc571b80ec1f75b5cb21a8e34b937 /include/linux/string.h | |
| parent | a555e9d86ee384d9d3cb3310a57aed33f7e053d4 (diff) | |
| parent | 541676078b52f365f53d46ee5517d305cd1b6350 (diff) | |
Merge branch 'sched/urgent' into sched/core, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'include/linux/string.h')
| -rw-r--r-- | include/linux/string.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/include/linux/string.h b/include/linux/string.h index 410ecf17de3c..cfd83eb2f926 100644 --- a/include/linux/string.h +++ b/include/linux/string.h @@ -259,7 +259,10 @@ __FORTIFY_INLINE __kernel_size_t strlen(const char *p) { __kernel_size_t ret; size_t p_size = __builtin_object_size(p, 0); - if (p_size == (size_t)-1) + + /* Work around gcc excess stack consumption issue */ + if (p_size == (size_t)-1 || + (__builtin_constant_p(p[p_size - 1]) && p[p_size - 1] == '\0')) return __builtin_strlen(p); ret = strnlen(p, p_size); if (p_size <= ret) |