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CRED: fix build error due to 'tgcred' undeclared

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This patch adds CONFIG_KEYS guard for tgcred to fix below build error
if CONFIG_KEYS is not configured.

  CC      kernel/cred.o
kernel/cred.c: In function 'prepare_kernel_cred':
kernel/cred.c:657: error: 'tgcred' undeclared (first use in this function)
kernel/cred.c:657: error: (Each undeclared identifier is reported only once
kernel/cred.c:657: error: for each function it appears in.)
make[1]: *** [kernel/cred.o] Error 1
make: *** [kernel] Error 2

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: David Howells <dhowells@redhat.com>
Signed-off-by: James Morris <jmorris@namei.org>
This commit is contained in:
Axel Lin 2011-08-23 15:23:51 +08:00 committed by James Morris
parent 0c061b5707
commit 8ad346c62a
1 changed files with 2 additions and 0 deletions
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2
kernel/cred.c
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@ -656,11 +656,13 @@ struct cred *prepare_kernel_cred(struct task_struct *daemon)
if (!new)
return NULL;
#ifdef CONFIG_KEYS
tgcred = kmalloc(sizeof(*tgcred), GFP_KERNEL);
if (!tgcred) {
kmem_cache_free(cred_jar, new);
return NULL;
}
#endif
kdebug("prepare_kernel_cred() alloc %p", new);