Re: [PATCH v1 4/6] vmbus: Switch to use new generic UUID API

From: kbuild test robot
Date: Sat Jul 22 2017 - 14:47:11 EST


Hi Andy,

[auto build test ERROR on linus/master]
[also build test ERROR on v4.13-rc1]
[cannot apply to next-20170721]
[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/Andy-Shevchenko/uuid-Convert-rest-users-to-new-API/20170723-022330
config: i386-tinyconfig (attached as .config)
compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901
reproduce:
# save the attached .config to linux build tree
make ARCH=i386

Note: the linux-review/Andy-Shevchenko/uuid-Convert-rest-users-to-new-API/20170723-022330 HEAD f8d40b52dfac11e78d56509455812bcfe9962ce0 builds fine.
It only hurts bisectibility.

All errors (new ones prefixed by >>):

In file included from scripts//mod/file2alias.c:44:0:
scripts//mod/../../include/linux/mod_devicetable.h:408:2: error: unknown type name 'guid_t'
guid_t guid;
^~~~~~
scripts//mod/../../include/linux/mod_devicetable.h:638:2: error: unknown type name 'guid_t'
guid_t uuid;
^~~~~~
In file included from scripts//mod/file2alias.c:13:0:
scripts//mod/file2alias.c: In function 'do_vmbus_entry':
>> scripts//mod/file2alias.c:938:49: error: request for member 'b' in something not a structure or union
sprintf(&guid_name[i], "%02x", TO_NATIVE((guid->b)[i/2]));
^
scripts//mod/modpost.h:92:23: note: in definition of macro 'TO_NATIVE'
#define TO_NATIVE(x) (x)
^
scripts//mod/file2alias.c: In function 'do_mei_entry':
scripts//mod/file2alias.c:1233:18: error: incompatible type for argument 2 of 'add_uuid'
add_uuid(alias, *uuid);
^
scripts//mod/file2alias.c:137:20: note: expected 'uuid_le {aka struct <anonymous>}' but argument is of type 'int'
static inline void add_uuid(char *str, uuid_le uuid)
^~~~~~~~

vim +/b +938 scripts//mod/file2alias.c

b01d9f28 Rusty Russell 2007-10-22 923
d2ee52aa K. Y. Srinivasan 2011-08-25 924 /*
d2ee52aa K. Y. Srinivasan 2011-08-25 925 * Looks like: vmbus:guid
d2ee52aa K. Y. Srinivasan 2011-08-25 926 * Each byte of the guid will be represented by two hex characters
d2ee52aa K. Y. Srinivasan 2011-08-25 927 * in the name.
d2ee52aa K. Y. Srinivasan 2011-08-25 928 */
d2ee52aa K. Y. Srinivasan 2011-08-25 929
6543becf Andreas Schwab 2013-01-20 930 static int do_vmbus_entry(const char *filename, void *symval,
d2ee52aa K. Y. Srinivasan 2011-08-25 931 char *alias)
d2ee52aa K. Y. Srinivasan 2011-08-25 932 {
d2ee52aa K. Y. Srinivasan 2011-08-25 933 int i;
6543becf Andreas Schwab 2013-01-20 934 DEF_FIELD_ADDR(symval, hv_vmbus_device_id, guid);
6543becf Andreas Schwab 2013-01-20 935 char guid_name[(sizeof(*guid) + 1) * 2];
d2ee52aa K. Y. Srinivasan 2011-08-25 936
6543becf Andreas Schwab 2013-01-20 937 for (i = 0; i < (sizeof(*guid) * 2); i += 2)
af3ff643 K. Y. Srinivasan 2015-12-14 @938 sprintf(&guid_name[i], "%02x", TO_NATIVE((guid->b)[i/2]));
d2ee52aa K. Y. Srinivasan 2011-08-25 939
d2ee52aa K. Y. Srinivasan 2011-08-25 940 strcpy(alias, "vmbus:");
d2ee52aa K. Y. Srinivasan 2011-08-25 941 strcat(alias, guid_name);
d2ee52aa K. Y. Srinivasan 2011-08-25 942
d2ee52aa K. Y. Srinivasan 2011-08-25 943 return 1;
d2ee52aa K. Y. Srinivasan 2011-08-25 944 }
6543becf Andreas Schwab 2013-01-20 945 ADD_TO_DEVTABLE("vmbus", hv_vmbus_device_id, do_vmbus_entry);
d2ee52aa K. Y. Srinivasan 2011-08-25 946

:::::: The code at line 938 was first introduced by commit
:::::: af3ff643ea91ba64dd8d0b1cbed54d44512f96cd Drivers: hv: vmbus: Use uuid_le type consistently

:::::: TO: K. Y. Srinivasan <kys@xxxxxxxxxxxxx>
:::::: CC: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

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