crypto: qat - don't cast parameter in bit operations
authorAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Wed, 9 Feb 2022 18:00:47 +0000 (20:00 +0200)
committerHerbert Xu <herbert@gondor.apana.org.au>
Fri, 18 Feb 2022 05:21:08 +0000 (16:21 +1100)
While in this particular case it would not be a (critical) issue,
the pattern itself is bad and error prone in case the location
of the parameter is changed.

Don't cast parameter to unsigned long pointer in the bit operations.
Instead copy to a local variable on stack of a proper type and use.

Fixes: b4b7e67c917f ("crypto: qat - Intel(R) QAT ucode part of fw loader")
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
drivers/crypto/qat/qat_common/qat_uclo.c

index 2026cc6be8f0e8fcce72d9ac1ecd0c1171ec3def..6356402a2c9e8c1a656301ec006b6f15cbb17655 100644 (file)
@@ -387,7 +387,9 @@ static int qat_uclo_init_ustore(struct icp_qat_fw_loader_handle *handle,
        page = image->page;
 
        for_each_set_bit(ae, &ae_mask, handle->hal_handle->ae_max_num) {
-               if (!test_bit(ae, (unsigned long *)&uof_image->ae_assigned))
+               unsigned long ae_assigned = uof_image->ae_assigned;
+
+               if (!test_bit(ae, &ae_assigned))
                        continue;
 
                if (!test_bit(ae, &cfg_ae_mask))
@@ -664,8 +666,9 @@ static int qat_uclo_map_ae(struct icp_qat_fw_loader_handle *handle, int max_ae)
                        continue;
 
                for (i = 0; i < obj_handle->uimage_num; i++) {
-                       if (!test_bit(ae, (unsigned long *)
-                       &obj_handle->ae_uimage[i].img_ptr->ae_assigned))
+                       unsigned long ae_assigned = obj_handle->ae_uimage[i].img_ptr->ae_assigned;
+
+                       if (!test_bit(ae, &ae_assigned))
                                continue;
                        mflag = 1;
                        if (qat_uclo_init_ae_data(obj_handle, ae, i))