115 /*****************************************************************************/

   115 /*****************************************************************************/

   116 

   116 

   117 /** Pre-allocates the data memory.

   117 /** Pre-allocates the data memory.

   118  *

   118  *

   119  * If the \a mem_size is already bigger than \a size, nothing is done.

   119  * If the \a mem_size is already bigger than \a size, nothing is done.

   120  */

   122  */

   121 int ec_sdo_request_alloc(

   123 int ec_sdo_request_alloc(

   122         ec_sdo_request_t *req, /**< Sdo request. */

   124         ec_sdo_request_t *req, /**< Sdo request. */

   123         size_t size /**< Data size to allocate. */

   125         size_t size /**< Data size to allocate. */

   124         )

   126         )

   128 

   130 

   129     ec_sdo_request_clear_data(req);

   131     ec_sdo_request_clear_data(req);

   130 

   132 

   131     if (!(req->data = (uint8_t *) kmalloc(size, GFP_KERNEL))) {

   133     if (!(req->data = (uint8_t *) kmalloc(size, GFP_KERNEL))) {

   132         EC_ERR("Failed to allocate %u bytes of Sdo memory.\n", size);

   134         EC_ERR("Failed to allocate %u bytes of Sdo memory.\n", size);

   134     }

   136     }

   135 

   137 

   136     req->mem_size = size;

   138     req->mem_size = size;

   137     req->data_size = 0;

   139     req->data_size = 0;

   138     return 0;

   140     return 0;