crypto: caam - fix RNG deinstantiation error checking

RNG instantiation was previously fixed by
commit 62743a4145bb9 ("crypto: caam - fix RNG init descriptor ret. code checking")
while deinstantiation was not addressed.

Since the descriptors used are similar, in the sense that they both end
with a JUMP HALT command, checking for errors should be similar too,
i.e. status code 7000_0000h should be considered successful.

Cc: <stable@vger.kernel.org> # 3.13+
Fixes: 1005bccd7a4a6 ("crypto: caam - enable instantiation of all RNG4 state handles")
Signed-off-by: Horia Geantă <horia.geanta@nxp.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

diff --git a/drivers/crypto/caam/ctrl.c b/drivers/crypto/caam/ctrl.c
index 220f94bd16353792d3dfe5102fdb83c4be740485..5d7f73d60515effd80861603cb183595ea7fbb85 100644 (file)
--- a/drivers/crypto/caam/ctrl.c
+++ b/drivers/crypto/caam/ctrl.c
@@ -281,7 +281,8 @@ static int deinstantiate_rng(struct device *ctrldev, int state_handle_mask)
                        /* Try to run it through DECO0 */
                        ret = run_descriptor_deco0(ctrldev, desc, &status);
 
-                       if (ret || status) {
+                       if (ret ||
+                           (status && status != JRSTA_SSRC_JUMP_HALT_CC)) {
                                dev_err(ctrldev,
                                        "Failed to deinstantiate RNG4 SH%d\n",
                                        sh_idx);