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| author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2018-02-01 00:41:33 -0800 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2018-02-01 00:41:33 -0800 |
| commit | 10a558374f3751cf4eb55143008975641dfc2cf4 (patch) | |
| tree | aab0def9d2289f6520ffb62ec4c1d738135447c4 /include/linux/string.h | |
| parent | fafef982c7353e8982b951e40573e990ccf0ed00 (diff) | |
| parent | d8a5b80568a9cb66810e75b182018e9edb68e8ff (diff) | |
Merge tag 'v4.15' into next
Sync with mainline to get in trackpoint updates and other changes.
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) |