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-rw-r--r--lib/vsprintf.c16
1 files changed, 12 insertions, 4 deletions
diff --git a/lib/vsprintf.c b/lib/vsprintf.c
index 3ab8c9cf3980..4da1e7aaf9d5 100644
--- a/lib/vsprintf.c
+++ b/lib/vsprintf.c
@@ -777,11 +777,19 @@ char *hex_string(char *buf, char *end, u8 *addr, struct printf_spec spec,
if (spec.field_width > 0)
len = min_t(int, spec.field_width, 64);
- for (i = 0; i < len && buf < end - 1; i++) {
- buf = hex_byte_pack(buf, addr[i]);
+ for (i = 0; i < len; ++i) {
+ if (buf < end)
+ *buf = hex_asc_hi(addr[i]);
+ ++buf;
+ if (buf < end)
+ *buf = hex_asc_lo(addr[i]);
+ ++buf;
- if (buf < end && separator && i != len - 1)
- *buf++ = separator;
+ if (separator && i != len - 1) {
+ if (buf < end)
+ *buf = separator;
+ ++buf;
+ }
}
return buf;