On 17 May 2015 at 13:29, Arend van Spriel <aspriel@xxxxxxxxx> wrote:
> On 17-05-15 06:25, Haggai Eran wrote:
>>
>> On 16 May 2015 at 20:54, Larry Finger <Larry.Finger@xxxxxxxxxxxx> wrote:
>>>
>>> Another location needed from gdb is "l *recv_func+0x8c".
>>
>>
>> Here it is:
>> (gdb) l *recv_func+0x8c
>> 0x17094 is in recv_func (drivers/staging/rtl8712/rtl8712_recv.c:1004).
>> 999 r8712_free_recvframe(orig_prframe,
>> pfree_recv_queue);
>> 1000 goto _exit_recv_func;
>> 1001 }
>> 1002 _exit_recv_func:
>> 1003 return retval;
>> 1004 }
>> 1005
>> 1006 static int recvbuf2recvframe(struct _adapter *padapter, struct
>> sk_buff *pskb)
>> 1007 {
>> 1008 u8 *pbuf, shift_sz = 0;
>>
>> I don't think this means the relevant call is the one at line 999. I
>> think it is an earlier call, after r8712_validate_recv_frame. Here's
>> the disassembly:
>
>
> can you provide the address of recv_func as well to determine the exact
> location in assembly.
Yes, it is in offset 0x17008 in the module:
> 00017008 <recv_func>:
Regards,
Haggai
>
>> /* check the frame crtl field and decache */
>> retval = r8712_validate_recv_frame(padapter, prframe);
>> 17070: e1a00004 mov r0, r4
>> 17074: e1a01005 mov r1, r5
>> 17078: ebfffffe bl 17bc0 <r8712_validate_recv_frame>
>> if (retval != _SUCCESS) {
>> 1707c: e3500001 cmp r0, #1
>> r8712_free_recvframe(orig_prframe,
>> pfree_recv_queue);
>> goto _exit_recv_func;
>> }
>> }
>> /* check the frame crtl field and decache */
>> retval = r8712_validate_recv_frame(padapter, prframe);
>> 17080: e1a06000 mov r6, r0
>> if (retval != _SUCCESS) {
>> 17084: 0a000005 beq 170a0 <recv_func+0x98>
>> /* free this recv_frame */
>> r8712_free_recvframe(orig_prframe, pfree_recv_queue);
>> 17088: e1a00005 mov r0, r5
>> 1708c: e1a01007 mov r1, r7
>> 17090: ebfffffe bl 166e8 <r8712_free_recvframe>
>> r8712_free_recvframe(orig_prframe, pfree_recv_queue);
>> goto _exit_recv_func;
>> }
>> _exit_recv_func:
>> return retval;
>> }
>> 17094: e1a00006 mov r0, r6
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