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SubjectRe: [PATCH v2] isdn: eicon: fix a missing-check bug
Hi Wenwen,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on linus/master]
[also build test ERROR on v4.17-rc5 next-20180517]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url: https://github.com/0day-ci/linux/commits/Wenwen-Wang/isdn-eicon-fix-a-missing-check-bug/20180521-034229
config: i386-allmodconfig (attached as .config)
compiler: gcc-7 (Debian 7.3.0-16) 7.3.0
reproduce:
# save the attached .config to linux build tree
make ARCH=i386

All error/warnings (new ones prefixed by >>):

In file included from drivers/isdn/hardware/eicon/divasfunc.c:18:0:
>> drivers/isdn/hardware/eicon/diva.h:23:18: error: unknown type name 'diva_xdi_um_cfg_cmd_t'; did you mean 'diva_xdi_capi_cfg_t'?
int length, diva_xdi_um_cfg_cmd_t *msg,
^~~~~~~~~~~~~~~~~~~~~
diva_xdi_capi_cfg_t
drivers/isdn/hardware/eicon/diva.h:27:20: error: unknown type name 'diva_xdi_um_cfg_cmd_t'; did you mean 'diva_xdi_capi_cfg_t'?
int length, diva_xdi_um_cfg_cmd_t *msg,
^~~~~~~~~~~~~~~~~~~~~
diva_xdi_capi_cfg_t
--
In file included from drivers/isdn/hardware/eicon/divasmain.c:30:0:
>> drivers/isdn/hardware/eicon/diva.h:23:18: error: unknown type name 'diva_xdi_um_cfg_cmd_t'
int length, diva_xdi_um_cfg_cmd_t *msg,
^~~~~~~~~~~~~~~~~~~~~
drivers/isdn/hardware/eicon/diva.h:27:20: error: unknown type name 'diva_xdi_um_cfg_cmd_t'
int length, diva_xdi_um_cfg_cmd_t *msg,
^~~~~~~~~~~~~~~~~~~~~
drivers/isdn/hardware/eicon/divasmain.c: In function 'divas_write':
>> drivers/isdn/hardware/eicon/divasmain.c:598:24: error: implicit declaration of function 'diva_xdi_open_adapter'; did you mean 'diva_xdi_close_adapter'? [-Werror=implicit-function-declaration]
file->private_data = diva_xdi_open_adapter(file, buf,
^~~~~~~~~~~~~~~~~~~~~
diva_xdi_close_adapter
>> drivers/isdn/hardware/eicon/divasmain.c:598:22: warning: assignment makes pointer from integer without a cast [-Wint-conversion]
file->private_data = diva_xdi_open_adapter(file, buf,
^
>> drivers/isdn/hardware/eicon/divasmain.c:603:9: error: implicit declaration of function 'diva_xdi_write'; did you mean 'divas_write'? [-Werror=implicit-function-declaration]
ret = diva_xdi_write(file->private_data, file,
^~~~~~~~~~~~~~
divas_write
drivers/isdn/hardware/eicon/divasmain.c: In function 'divas_read':
drivers/isdn/hardware/eicon/divasmain.c:632:22: warning: assignment makes pointer from integer without a cast [-Wint-conversion]
file->private_data = diva_xdi_open_adapter(file, buf,
^
cc1: some warnings being treated as errors

vim +23 drivers/isdn/hardware/eicon/diva.h

12
13 typedef int (*divas_xdi_copy_to_user_fn_t) (void *os_handle, void __user *dst,
14 const void *src, int length);
15
16 typedef int (*divas_xdi_copy_from_user_fn_t) (void *os_handle, void *dst,
17 const void __user *src, int length);
18
19 int diva_xdi_read(void *adapter, void *os_handle, void __user *dst,
20 int max_length, divas_xdi_copy_to_user_fn_t cp_fn);
21
22 int diva_xdi_write(void *adapter, void *os_handle, const void __user *src,
> 23 int length, diva_xdi_um_cfg_cmd_t *msg,
24 divas_xdi_copy_from_user_fn_t cp_fn);
25

---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
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