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ARM: rockchip: fix building without CONFIG_INPUT, CONFIG_CPU_FREQ, CONFIG_FB_ROCKCHIP
[firefly-linux-kernel-4.4.55.git]
/
crypto
/
ccm.c
diff --git
a/crypto/ccm.c
b/crypto/ccm.c
index 499c91717d937bfaba9364a5bcde94988626195c..ed009b77e67d1e99b771834fe55bb1950e3c529c 100644
(file)
--- a/
crypto/ccm.c
+++ b/
crypto/ccm.c
@@
-271,7
+271,8
@@
static int crypto_ccm_auth(struct aead_request *req, struct scatterlist *plain,
}
/* compute plaintext into mac */
- get_data_to_compute(cipher, pctx, plain, cryptlen);
+ if (cryptlen)
+ get_data_to_compute(cipher, pctx, plain, cryptlen);
out:
return err;