When downloading firmware into the device, the driver fails to check the return when allocating an skb. When the allocation fails, a BUG can be generated, as seen in https://bugzilla.redhat.com/show_bug.cgi?id=771656. Signed-off-by: Larry Finger <Larry.Finger@xxxxxxxxxxxx> Cc: Stable <stable@xxxxxxxxxxxxxxx> --- Index: wireless-testing-new/drivers/net/wireless/rtlwifi/rtl8192se/fw.c =================================================================== --- wireless-testing-new.orig/drivers/net/wireless/rtlwifi/rtl8192se/fw.c +++ wireless-testing-new/drivers/net/wireless/rtlwifi/rtl8192se/fw.c @@ -196,6 +196,8 @@ static bool _rtl92s_firmware_downloadcod /* Allocate skb buffer to contain firmware */ /* info and tx descriptor info. */ skb = dev_alloc_skb(frag_length); + if (!skb) + return false; skb_reserve(skb, extra_descoffset); seg_ptr = (u8 *)skb_put(skb, (u32)(frag_length - extra_descoffset)); @@ -573,6 +575,8 @@ static bool _rtl92s_firmware_set_h2c_cmd len = _rtl92s_get_h2c_cmdlen(MAX_TRANSMIT_BUFFER_SIZE, 1, &cmd_len); skb = dev_alloc_skb(len); + if (!skb) + return false; cb_desc = (struct rtl_tcb_desc *)(skb->cb); cb_desc->queue_index = TXCMD_QUEUE; cb_desc->cmd_or_init = DESC_PACKET_TYPE_NORMAL; -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
