Commit 0e7491f6 authored Jan 17, 2011 by Tetsuo Handa Committed by James Morris Jan 19, 2011

trusted-keys: check for NULL before using it



TSS_rawhmac() checks for data != NULL before using it.
We should do the same thing for TSS_authhmac().

Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Reviewed-by: Jesper Juhl <jj@chaosbits.net>
Acked-by: Mimi Zohar <zohar@us.ibm.com>
Acked-by: David Howells <dhowells@redhat.com>
Signed-off-by: James Morris <jmorris@namei.org>

parent 35576eab

security/keys/trusted_defined.c

+5 −0

Original line number	Diff line number	Diff line
		@@ -148,6 +148,11 @@ static int TSS_authhmac(unsigned char digest, const unsigned char key,
		if (dlen == 0)
		break;
		data = va_arg(argp, unsigned char *);
		if (!data) {
		ret = -EINVAL;
		va_end(argp);
		goto out;
		}
		ret = crypto_shash_update(&sdesc->shash, data, dlen);
		if (ret < 0) {
		va_end(argp);