string_get_size was documented to return an error, but in fact always returned 0. Since the output always fits in 9 bytes, just document that and let callers do what they do now: Pass a small stack buffer and ignore the return value.
Signed-off-by: Rasmus Villemoes <[email protected]> --- include/linux/string_helpers.h | 4 ++-- lib/string_helpers.c | 10 ++++------ 2 files changed, 6 insertions(+), 8 deletions(-) diff --git a/include/linux/string_helpers.h b/include/linux/string_helpers.h index 6eb567ac56bc..657571817260 100644 --- a/include/linux/string_helpers.h +++ b/include/linux/string_helpers.h @@ -10,8 +10,8 @@ enum string_size_units { STRING_UNITS_2, /* use binary powers of 2^10 */ }; -int string_get_size(u64 size, enum string_size_units units, - char *buf, int len); +void string_get_size(u64 size, enum string_size_units units, + char *buf, int len); #define UNESCAPE_SPACE 0x01 #define UNESCAPE_OCTAL 0x02 diff --git a/lib/string_helpers.c b/lib/string_helpers.c index 2b3757f84b3b..8f8c4417f228 100644 --- a/lib/string_helpers.c +++ b/lib/string_helpers.c @@ -20,12 +20,12 @@ * @len: length of buffer * * This function returns a string formatted to 3 significant figures - * giving the size in the required units. Returns 0 on success or - * error on failure. @buf is always zero terminated. + * giving the size in the required units. @buf should have room for + * at least 9 bytes and will always be zero terminated. * */ -int string_get_size(u64 size, const enum string_size_units units, - char *buf, int len) +void string_get_size(u64 size, const enum string_size_units units, + char *buf, int len) { static const char *const units_10[] = { "B", "kB", "MB", "GB", "TB", "PB", "EB" @@ -67,8 +67,6 @@ int string_get_size(u64 size, const enum string_size_units units, snprintf(buf, len, "%u%s %s", (u32)size, tmp, units_str[units][i]); - - return 0; } EXPORT_SYMBOL(string_get_size); -- 2.1.3 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
