Hi David,

FYI, kernel build failed on

tree:   git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-modsign.git modsign-rusty
head:   9ed5e36054569a4bc81eac3da446982df351d615
commit: aab12f2f9d73ac5fe8d342d60cb85a830d4a7f9e [20/25] MODSIGN: Provide module signing public keys to the kernel
config: cris-allyesconfig (attached as .config)

All related error/warning messages:

kernel/modsign-pubkey.c: In function 'module_verify_init':
kernel/modsign-pubkey.c:46:2: error: implicit declaration of function 'IS_ERR' [-Werror=implicit-function-declaration]
cc1: some warnings being treated as errors

vim +46 kernel/modsign-pubkey.c
    43					    (KEY_POS_ALL & ~KEY_POS_SETATTR) |
    44					    KEY_USR_VIEW | KEY_USR_READ,
    45					    KEY_ALLOC_NOT_IN_QUOTA);
  > 46		if (IS_ERR(modsign_keyring))
    47			panic("Can't allocate module signing keyring\n");
    48	
    49		if (key_instantiate_and_link(modsign_keyring, NULL, 0, NULL, NULL) < 0)

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0-DAY kernel build testing backend         Open Source Technology Centre
Fengguang Wu <wfg@linux.intel.com>                     Intel Corporation