Access HEVC context after create fail check

Bug: 66969193
Change-Id: Icd1c8d78986e3795ba7f1c1d50ebeb90d77f6178
(cherry picked from commit 2bee8317ecfa5dca3c43d99db40491c4e28f832d)

media/libstagefright/codecs/hevcdec/SoftHEVC.cpp

diff --git a/media/libstagefright/codecs/hevcdec/SoftHEVC.cpp b/media/libstagefright/codecs/hevcdec/SoftHEVC.cpp
index 2745087..103fc22 100644
--- a/media/libstagefright/codecs/hevcdec/SoftHEVC.cpp
+++ b/media/libstagefright/codecs/hevcdec/SoftHEVC.cpp
@@ -312,10 +312,6 @@
 
         status = ivdec_api_function(mCodecCtx, (void *)&s_create_ip, (void *)&s_create_op);
 
-        mCodecCtx = (iv_obj_t*)s_create_op.s_ivd_create_op_t.pv_handle;
-        mCodecCtx->pv_fxns = dec_fxns;
-        mCodecCtx->u4_size = sizeof(iv_obj_t);
-
         if (status != IV_SUCCESS) {
             ALOGE("Error in create: 0x%x",
                     s_create_op.s_ivd_create_op_t.u4_error_code);
@@ -323,6 +319,10 @@
             mCodecCtx = NULL;
             return UNKNOWN_ERROR;
         }
+
+        mCodecCtx = (iv_obj_t*)s_create_op.s_ivd_create_op_t.pv_handle;
+        mCodecCtx->pv_fxns = dec_fxns;
+        mCodecCtx->u4_size = sizeof(iv_obj_t);
     }
 
     /* Reset the plugin state */