crypto: chcr - Fix memory corruption

Fix memory corruption done by  *((u32 *)dec_key + k)
 operation.

Signed-off-by: Jitendra Lulla <JLULLA@chelsio.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

1 files changed, 2 insertions, 1 deletions

diff --git a/drivers/crypto/chelsio/chcr_algo.h b/drivers/crypto/chelsio/chcr_algo.h
index ec64fbcdeb49..199b0bb69b89 100644
--- a/drivers/crypto/chelsio/chcr_algo.h
+++ b/drivers/crypto/chelsio/chcr_algo.h
@@ -422,7 +422,7 @@ static inline void get_aes_decrypt_key(unsigned char *dec_key,
 {
         u32 temp;
         u32 w_ring[MAX_NK];
-        int i, j, k = 0;
+        int i, j, k;
         u8  nr, nk;
 
         switch (keylength) {
@@ -460,6 +460,7 @@ static inline void get_aes_decrypt_key(unsigned char *dec_key,
                 temp = w_ring[i % nk];
                 i++;
         }
+        i--;
         for (k = 0, j = i % nk; k < nk; k++) {
                 *((u32 *)dec_key + k) = htonl(w_ring[j]);
                 j--;