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| author | Takashi Iwai <tiwai@suse.de> | 2017-12-27 09:02:02 +0100 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2017-12-27 09:02:02 +0100 |
| commit | 7ad3423ebb02f340671f70a916bdc8dbec7573ee (patch) | |
| tree | b9168d363c24f2af2626e63011ec1f6c81e81d09 /include/linux/string.h | |
| parent | 56a23ee52611ca76421f3d7cac100e1616716dae (diff) | |
| parent | 44be77c590f381bc629815ac789b8b15ecc4ddcf (diff) | |
Merge branch 'for-linus' into for-next
Back-merge the upstream branch for applying further cleanup patches
for HD-Audio.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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) |