diff options
Diffstat (limited to 'mm/kmemleak.c')
| -rw-r--r-- | mm/kmemleak.c | 24 |
1 files changed, 8 insertions, 16 deletions
diff --git a/mm/kmemleak.c b/mm/kmemleak.c index cf79f110157c..77191eccdc6f 100644 --- a/mm/kmemleak.c +++ b/mm/kmemleak.c @@ -302,23 +302,14 @@ static void hex_dump_object(struct seq_file *seq, struct kmemleak_object *object) { const u8 *ptr = (const u8 *)object->pointer; - int i, len, remaining; - unsigned char linebuf[HEX_ROW_SIZE * 5]; + size_t len; /* limit the number of lines to HEX_MAX_LINES */ - remaining = len = - min(object->size, (size_t)(HEX_MAX_LINES * HEX_ROW_SIZE)); - - seq_printf(seq, " hex dump (first %d bytes):\n", len); - for (i = 0; i < len; i += HEX_ROW_SIZE) { - int linelen = min(remaining, HEX_ROW_SIZE); - - remaining -= HEX_ROW_SIZE; - hex_dump_to_buffer(ptr + i, linelen, HEX_ROW_SIZE, - HEX_GROUP_SIZE, linebuf, sizeof(linebuf), - HEX_ASCII); - seq_printf(seq, " %s\n", linebuf); - } + len = min_t(size_t, object->size, HEX_MAX_LINES * HEX_ROW_SIZE); + + seq_printf(seq, " hex dump (first %zu bytes):\n", len); + seq_hex_dump(seq, " ", DUMP_PREFIX_NONE, HEX_ROW_SIZE, + HEX_GROUP_SIZE, ptr, len, HEX_ASCII); } /* @@ -838,6 +829,7 @@ static void __init log_early(int op_type, const void *ptr, size_t size, } if (crt_early_log >= ARRAY_SIZE(early_log)) { + crt_early_log++; kmemleak_disable(); return; } @@ -1882,7 +1874,7 @@ void __init kmemleak_init(void) object_cache = KMEM_CACHE(kmemleak_object, SLAB_NOLEAKTRACE); scan_area_cache = KMEM_CACHE(kmemleak_scan_area, SLAB_NOLEAKTRACE); - if (crt_early_log >= ARRAY_SIZE(early_log)) + if (crt_early_log > ARRAY_SIZE(early_log)) pr_warning("Early log buffer exceeded (%d), please increase " "DEBUG_KMEMLEAK_EARLY_LOG_SIZE\n", crt_early_log); |