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author | Paolo Bonzini <pbonzini@redhat.com> | 2019-08-09 17:53:39 +0300 |
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committer | Paolo Bonzini <pbonzini@redhat.com> | 2019-08-09 17:53:39 +0300 |
commit | 0e1c438c44dd9cde56effb44c5f1cfeda72e108d (patch) | |
tree | fa3492d4d7d8b7444e5d8ebe6c78210826333e4b /lib/string.c | |
parent | c096397c78f766db972f923433031f2dec01cae0 (diff) | |
parent | cdb2d3ee0436d74fa9092f2df46aaa6f9e03c969 (diff) | |
download | linux-0e1c438c44dd9cde56effb44c5f1cfeda72e108d.tar.xz |
Merge tag 'kvmarm-fixes-for-5.3' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD
KVM/arm fixes for 5.3
- A bunch of switch/case fall-through annotation, fixing one actual bug
- Fix PMU reset bug
- Add missing exception class debug strings
Diffstat (limited to 'lib/string.c')
-rw-r--r-- | lib/string.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/lib/string.c b/lib/string.c index 6016eb3ac73d..461fb620f85f 100644 --- a/lib/string.c +++ b/lib/string.c @@ -400,6 +400,9 @@ EXPORT_SYMBOL(strncmp); * strchr - Find the first occurrence of a character in a string * @s: The string to be searched * @c: The character to search for + * + * Note that the %NUL-terminator is considered part of the string, and can + * be searched for. */ char *strchr(const char *s, int c) { @@ -453,12 +456,18 @@ EXPORT_SYMBOL(strrchr); * @s: The string to be searched * @count: The number of characters to be searched * @c: The character to search for + * + * Note that the %NUL-terminator is considered part of the string, and can + * be searched for. */ char *strnchr(const char *s, size_t count, int c) { - for (; count-- && *s != '\0'; ++s) + while (count--) { if (*s == (char)c) return (char *)s; + if (*s++ == '\0') + break; + } return NULL; } EXPORT_SYMBOL(strnchr); |