Subject: linux-next: build failure after merge of the staging tree

From: Stephen Rothwell <[email-masked]>
Date: Tue, 17 Jul 2018 16:28:39 +1000

Hi Greg,

After merging the staging tree, today's linux-next build (x86_64
allmodconfig) failed like this:

drivers/staging/rtl8188eu/core/rtw_security.c: In function 'rtw_tkip_decrypt':
drivers/staging/rtl8188eu/core/rtw_security.c:399:21: error: storage size of 'mycontext' isn't known
  struct arc4context mycontext;
                     ^~~~~~~~~
drivers/staging/rtl8188eu/core/rtw_security.c:437:4: error: implicit declaration of function 'phase1' [-Werror=implicit-function-declaration]
    phase1((u16 *)&ttkey[0], prwskey, &prxattrib->ta[0], pnh);
    ^~~~~~
drivers/staging/rtl8188eu/core/rtw_security.c:438:4: error: implicit declaration of function 'phase2' [-Werror=implicit-function-declaration]
    phase2(&rc4key[0], prwskey, (unsigned short *)&ttkey[0], pnl);
    ^~~~~~
drivers/staging/rtl8188eu/core/rtw_security.c:442:4: error: implicit declaration of function 'arcfour_init'; did you mean 'rcu_init'? [-Werror=implicit-function-declaration]
    arcfour_init(&mycontext, rc4key, 16);
    ^~~~~~~~~~~~
    rcu_init
drivers/staging/rtl8188eu/core/rtw_security.c:443:4: error: implicit declaration of function 'arcfour_encrypt'; did you mean 'rtw_wep_encrypt'? [-Werror=implicit-function-declaration]
    arcfour_encrypt(&mycontext, payload, payload, length);
    ^~~~~~~~~~~~~~~
    rtw_wep_encrypt
drivers/staging/rtl8188eu/core/rtw_security.c:445:23: error: implicit declaration of function 'getcrc32'; did you mean 'get_cred'? [-Werror=implicit-function-declaration]
    *((__le32 *)crc) = getcrc32(payload, length-4);
                       ^~~~~~~~
                       get_cred
drivers/staging/rtl8188eu/core/rtw_security.c:399:21: warning: unused variable 'mycontext' [-Wunused-variable]
  struct arc4context mycontext;
                     ^~~~~~~~~

Caused by commit

  0d4876f4e977 ("staging:r8188eu: Use lib80211 to encrypt (TKIP) tx frames")

interacting with commit

  69a1d98c831e ("Revert "staging:r8188eu: Use lib80211 to support TKIP"")

from the staging.current tree.

I just reverted the staging.current commit ...

-- 
Cheers,
Stephen Rothwell