From: Colin Ian King <colin.king@xxxxxxxxxxxxx> The subtraction of the two pointers is automatically scaled by the size of the size of the object the pointers point to, so the division by sizeof(*i2400m->barker) is incorrect. This has been broken since day one of the driver and is only debug, so remove the debug completely. Also move && in condition to clean up a checkpatch warning. Addresses-Coverity: ("Extra sizeof expression") Signed-off-by: Colin Ian King <colin.king@xxxxxxxxxxxxx> --- V2: completely remove debug, clean up checkpatch warning, change subject line --- drivers/net/wimax/i2400m/fw.c | 9 ++------- 1 file changed, 2 insertions(+), 7 deletions(-) diff --git a/drivers/net/wimax/i2400m/fw.c b/drivers/net/wimax/i2400m/fw.c index 489cba9b284d..6c9a41bff2e0 100644 --- a/drivers/net/wimax/i2400m/fw.c +++ b/drivers/net/wimax/i2400m/fw.c @@ -397,14 +397,9 @@ int i2400m_is_boot_barker(struct i2400m *i2400m, /* Short circuit if we have already discovered the barker * associated with the device. */ - if (i2400m->barker - && !memcmp(buf, i2400m->barker, sizeof(i2400m->barker->data))) { - unsigned index = (i2400m->barker - i2400m_barker_db) - / sizeof(*i2400m->barker); - d_printf(2, dev, "boot barker cache-confirmed #%u/%08x\n", - index, le32_to_cpu(i2400m->barker->data[0])); + if (i2400m->barker && + !memcmp(buf, i2400m->barker, sizeof(i2400m->barker->data))) return 0; - } for (i = 0; i < i2400m_barker_db_used; i++) { barker = &i2400m_barker_db[i]; -- 2.20.1