net/bluetooth/mgmt.c:905:6-13: WARNING: kzalloc should be used for rp, instead of kmalloc/memset Use kzalloc rather than kmalloc followed by memset with 0 This considers some simple cases that are common and easy to validate Note in particular that there are no ...s in the rule, so all of the matched code has to be contiguous Generated by: scripts/coccinelle/api/alloc/kzalloc-simple.cocci CC: Michał Narajowski <michal.narajowski@xxxxxxxxxxx> Signed-off-by: Fengguang Wu <fengguang.wu@xxxxxxxxx> --- mgmt.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) --- a/net/bluetooth/mgmt.c +++ b/net/bluetooth/mgmt.c @@ -902,12 +902,10 @@ static int read_ext_controller_info(stru eir_len = eir_append_data(buff, eir_len, EIR_NAME_SHORT, hdev->short_name, name_len); - rp = kmalloc(sizeof(*rp) + eir_len, GFP_KERNEL); + rp = kzalloc(sizeof(*rp) + eir_len, GFP_KERNEL); if (!rp) return -ENOMEM; - memset(rp, 0, sizeof(*rp) + eir_len); - rp->eir_len = cpu_to_le16(eir_len); memcpy(rp->eir, buff, eir_len); -- To unsubscribe from this list: send the line "unsubscribe linux-bluetooth" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html