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| author | Radim Krčmář <rkrcmar@redhat.com> | 2018-02-01 15:04:17 +0100 |
|---|---|---|
| committer | Radim Krčmář <rkrcmar@redhat.com> | 2018-02-01 15:04:17 +0100 |
| commit | 7bf14c28ee776be567855bd39ed8ff795ea19f55 (patch) | |
| tree | 6113748c673e85fccc2c56c050697789c00c6bc2 /include/linux/string.h | |
| parent | 87cedc6be55954c6efd6eca2e694132513f65a2a (diff) | |
| parent | 5fa4ec9cb2e6679e2f828033726f758ea314b9c5 (diff) | |
Merge branch 'x86/hyperv' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Topic branch for stable KVM clockource under Hyper-V.
Thanks to Christoffer Dall for resolving the ARM conflict.
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) |