staging: csr: remove CsrMemFree() and CsrMemFreeDma()

They were just wrappers around kfree() so call that instead.

Cc: Mikko Virkkilä <mikko.virkkila@bluegiga.com>
Cc: Lauri Hintsala <Lauri.Hintsala@bluegiga.com>
Cc: Riku Mettälä <riku.mettala@bluegiga.com>
Cc: Veli-Pekka Peltola <veli-pekka.peltola@bluegiga.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/csr/csr_framework_ext.c

@@ -194,23 +194,6 @@ void *CsrMemAlloc(size_t size)
 }
 EXPORT_SYMBOL_GPL(CsrMemAlloc);
 
-/*----------------------------------------------------------------------------*
- *  NAME
- *      CsrMemFree
- *
- *  DESCRIPTION
- *      Free dynamic allocated memory.
- *
- *  RETURNS
- *      void
- *
- *----------------------------------------------------------------------------*/
-void CsrMemFree(void *pointer)
-{
-    kfree(pointer);
-}
-EXPORT_SYMBOL_GPL(CsrMemFree);
-
 /*----------------------------------------------------------------------------*
  *  NAME
  *      CsrMemAllocDma
@@ -228,20 +211,3 @@ void *CsrMemAllocDma(size_t size)
     return kmalloc(size, GFP_KERNEL | GFP_DMA);
 }
 EXPORT_SYMBOL_GPL(CsrMemAllocDma);
-
-/*----------------------------------------------------------------------------*
- *  NAME
- *      CsrMemFreeDma
- *
- *  DESCRIPTION
- *      Free DMA capable dynamic allocated memory.
- *
- *  RETURNS
- *      void
- *
- *----------------------------------------------------------------------------*/
-void CsrMemFreeDma(void *pointer)
-{
-    kfree(pointer);
-}
-EXPORT_SYMBOL_GPL(CsrMemFreeDma);

drivers/staging/csr/csr_framework_ext.h

@@ -283,19 +283,6 @@ void *CsrMemCallocDebug(size_t numberOfElements, size_t elementSize,
 void *CsrMemCalloc(size_t numberOfElements, size_t elementSize);
 #endif
 
-/*----------------------------------------------------------------------------*
- *  NAME
- *      CsrMemFree
- *
- *  DESCRIPTION
- *      Free dynamic allocated memory.
- *
- *  RETURNS
- *      void
- *
- *----------------------------------------------------------------------------*/
-void CsrMemFree(void *pointer);
-
 /*----------------------------------------------------------------------------*
  *  NAME
  *      CsrMemAllocDma
@@ -317,18 +304,6 @@ void *CsrMemAllocDma(size_t size);
 #endif
 
 
-/*----------------------------------------------------------------------------*
- *  NAME
- *      CsrMemFreeDma
- *
- *  DESCRIPTION
- *      Free dynamic memory allocated by CsrMemAllocDma.
- *
- *  RETURNS
- *      void
- *
- *----------------------------------------------------------------------------*/
-void CsrMemFreeDma(void *pointer);
 #else
 
 #include "csr_pmem.h"
@@ -337,12 +312,8 @@ void CsrMemFreeDma(void *pointer);
 
 #define CsrMemCalloc(numberOfElements, elementSize) CsrPmemDebugAlloc((numberOfElements * elementSize), CSR_PMEM_DEBUG_TYPE_MEM_CALLOC, __FILE__, __LINE__)
 
-#define CsrMemFree(ptr) CsrPmemDebugFree(ptr,CSR_PMEM_DEBUG_TYPE_MEM_ALLOC,  __FILE__, __LINE__)
-
 #define CsrMemAllocDma(size) CsrPmemDebugAlloc(size, CSR_PMEM_DEBUG_TYPE_MEM_ALLOC_DMA, __FILE__, __LINE__)
 
-#define CsrMemFreeDma(ptr) CsrPmemDebugFree(ptr, CSR_PMEM_DEBUG_TYPE_MEM_ALLOC_DMA, __FILE__, __LINE__)
-
 #endif
 
 

drivers/staging/csr/csr_wifi_hip_card_sdio.c

@@ -21,6 +21,7 @@
  *
  * ---------------------------------------------------------------------------
  */
+#include <linux/slab.h>
 #include "csr_wifi_hip_unifi.h"
 #include "csr_wifi_hip_conversions.h"
 #include "csr_wifi_hip_unifiversion.h"
@@ -1793,37 +1794,22 @@ static void card_free_memory_resources(card_t *card)
     unifi_cancel_pending_signals(card);
 
 
-    if (card->to_host_data)
-    {
-        CsrMemFree(card->to_host_data);
-        card->to_host_data = NULL;
-    }
+    kfree(card->to_host_data);
+    card->to_host_data = NULL;
 
-    if (card->from_host_data)
-    {
-        CsrMemFree(card->from_host_data);
-        card->from_host_data = NULL;
-    }
+    kfree(card->from_host_data);
+    card->from_host_data = NULL;
 
     /* free the memory for slot host tag mapping array */
-    if (card->fh_slot_host_tag_record)
-    {
-        CsrMemFree(card->fh_slot_host_tag_record);
-        card->fh_slot_host_tag_record = NULL;
-    }
+    kfree(card->fh_slot_host_tag_record);
+    card->fh_slot_host_tag_record = NULL;
 
-    if (card->fh_buffer.buf)
-    {
-        CsrMemFreeDma(card->fh_buffer.buf);
-    }
+    kfree(card->fh_buffer.buf);
     card->fh_buffer.ptr = card->fh_buffer.buf = NULL;
     card->fh_buffer.bufsize = 0;
     card->fh_buffer.count = 0;
 
-    if (card->th_buffer.buf)
-    {
-        CsrMemFreeDma(card->th_buffer.buf);
-    }
+    kfree(card->th_buffer.buf);
     card->th_buffer.ptr = card->th_buffer.buf = NULL;
     card->th_buffer.bufsize = 0;
     card->th_buffer.count = 0;
@@ -1984,7 +1970,7 @@ void unifi_free_card(card_t *card)
         unifi_coredump_free(card); /* free anyway to prevent memory leak */
     }
 
-    CsrMemFree(card);
+    kfree(card);
 
     func_exit();
 } /* unifi_free_card() */

drivers/staging/csr/csr_wifi_hip_card_sdio_intr.c

@@ -1817,7 +1817,7 @@ static CsrResult process_bulk_data_command(card_t *card, const u8 *cmdptr,
         /* moving this check before we clear host data slot */
         if ((len != 0) && (dir == UNIFI_SDIO_WRITE) && (((ptrdiff_t)bdslot->os_data_ptr + offset) & 3))
         {
-            CsrMemFreeDma(host_bulk_data_slot);
+            kfree(host_bulk_data_slot);
         }
 #endif
 

drivers/staging/csr/csr_wifi_hip_download.c

@@ -17,6 +17,7 @@
  *
  * ---------------------------------------------------------------------------
  */
+#include <linux/slab.h>
 #include "csr_wifi_hip_unifi.h"
 #include "csr_wifi_hip_unifiversion.h"
 #include "csr_wifi_hip_card.h"
@@ -270,7 +271,7 @@ static CsrResult do_patch_convert_download(card_t *card, void *dlpriv, xbv1_t *p
         /* Download the patch */
         unifi_info(card->ospriv, "Downloading converted f/w as patch\n");
         r = unifi_dl_patch(card, desc, sym.obj);
-        CsrMemFree(pfw);
+        kfree(pfw);
         unifi_fw_close_buffer(card->ospriv, desc);
 
         if (r != CSR_RESULT_SUCCESS)
@@ -347,7 +348,7 @@ CsrResult unifi_dl_firmware(card_t *card, void *dlpriv)
     {
         unifi_error(card->ospriv, "File type is %s, expected firmware.\n",
                     fwinfo->mode == xbv_patch?"patch" : "unknown");
-        CsrMemFree(fwinfo);
+        kfree(fwinfo);
         return CSR_WIFI_HIP_RESULT_INVALID_VALUE;
     }
 
@@ -372,7 +373,7 @@ CsrResult unifi_dl_firmware(card_t *card, void *dlpriv)
         r = CSR_WIFI_HIP_RESULT_INVALID_VALUE;
     }
 
-    CsrMemFree(fwinfo);
+    kfree(fwinfo);
     func_exit_r(r);
     return r;
 } /* unifi_dl_firmware() */
@@ -426,7 +427,7 @@ CsrResult unifi_dl_patch(card_t *card, void *dlpriv, u32 boot_ctrl)
     r = xbv1_parse(card, unifi_fw_read, dlpriv, fwinfo);
     if (r != CSR_RESULT_SUCCESS || fwinfo->mode != xbv_patch)
     {
-        CsrMemFree(fwinfo);
+        kfree(fwinfo);
         unifi_error(card->ospriv, "Failed to read in patch file\n");
         func_exit();
         return CSR_WIFI_HIP_RESULT_INVALID_VALUE;
@@ -441,7 +442,7 @@ CsrResult unifi_dl_patch(card_t *card, void *dlpriv, u32 boot_ctrl)
     {
         unifi_error(card->ospriv, "Wrong patch file for chip (chip = %lu, file = %lu)\n",
                     card->build_id, fwinfo->build_id);
-        CsrMemFree(fwinfo);
+        kfree(fwinfo);
 #ifndef CSR_WIFI_IGNORE_PATCH_VERSION_MISMATCH
         func_exit();
         return CSR_WIFI_HIP_RESULT_INVALID_VALUE;
@@ -458,7 +459,7 @@ CsrResult unifi_dl_patch(card_t *card, void *dlpriv, u32 boot_ctrl)
         unifi_error(card->ospriv, "Failed to patch image\n");
     }
 
-    CsrMemFree(fwinfo);
+    kfree(fwinfo);
 
     func_exit_r(r);
     return r;
@@ -720,7 +721,7 @@ static CsrResult send_ptdl_to_unifi(card_t *card, void *dlpriv,
         }
     }
 
-    CsrMemFreeDma(buf);
+    kfree(buf);
 
     if (r != CSR_RESULT_SUCCESS && r != CSR_WIFI_HIP_RESULT_NO_DEVICE)
     {

drivers/staging/csr/csr_wifi_hip_dump.c

@@ -17,6 +17,7 @@
  *
  * ---------------------------------------------------------------------------
  */
+#include <linux/slab.h>
 #include "csr_wifi_hip_unifi.h"
 #include "csr_wifi_hip_unifiversion.h"
 #include "csr_wifi_hip_card.h"
@@ -696,7 +697,7 @@ coredump_buffer* new_coredump_node(void *ospriv, coredump_buffer *prevnode)
     {
         for (i = 0; newnode->zone[i] != NULL; i++)
         {
-            CsrMemFree(newnode->zone[i]);
+            kfree(newnode->zone[i]);
             newnode->zone[i] = NULL;
         }
     }
@@ -844,11 +845,8 @@ void unifi_coredump_free(card_t *card)
         /* Free payload zones */
         for (j = 0; j < HIP_CDUMP_NUM_ZONES; j++)
         {
-            if (node->zone[j] != NULL)
-            {
-                CsrMemFree(node->zone[j]);
-                node->zone[j] = NULL;
-            }
+            kfree(node->zone[j]);
+            node->zone[j] = NULL;
         }
 
         /* Detach */
@@ -856,7 +854,7 @@ void unifi_coredump_free(card_t *card)
         node = node->next;
 
         /* Free header */
-        CsrMemFree(del_node);
+        kfree(del_node);
         i++;
     } while ((node != NULL) && (node != card->dump_buf));
 

drivers/staging/csr/csr_wifi_hip_xbv.c

@@ -19,6 +19,7 @@
  *
  * ---------------------------------------------------------------------------
  */
+#include <linux/slab.h>
 
 #ifdef CSR_WIFI_XBV_TEST
 /* Standalone test harness */
@@ -959,7 +960,7 @@ s32 xbv1_read_slut(card_t *card, fwreadfn_t readfn, void *dlpriv, xbv1_t *fwinfo
  *
  *  Returns:
  *      Pointer to firmware image, or NULL on error. Caller must free this
- *      buffer via CsrMemFree() once it's finished with.
+ *      buffer via kfree() once it's finished with.
  *
  *  Notes:
  *      The input fw_buf should have been checked via xbv1_parse prior to
@@ -1021,7 +1022,7 @@ void* xbv_to_patch(card_t *card, fwreadfn_t readfn,
     patch_buf = (void *)CsrMemAlloc(patch_buf_size);
     if (!patch_buf)
     {
-        CsrMemFree(rdbuf);
+        kfree(rdbuf);
         unifi_error(NULL, "Can't malloc buffer for patch conversion\n");
         return NULL;
     }
@@ -1067,7 +1068,7 @@ void* xbv_to_patch(card_t *card, fwreadfn_t readfn,
     {
         *size = patch_offs;
     }
-    CsrMemFree(rdbuf);
+    kfree(rdbuf);
 
     return patch_buf;
 }

drivers/staging/csr/io.c

@@ -107,7 +107,7 @@ static CsrResult signal_buffer_init(unifi_priv_t * priv, int size)
              for(j=0;j<i;j++)
              {
                  priv->rxSignalBuffer.rx_buff[j].sig_len=0;
-                 CsrMemFree(priv->rxSignalBuffer.rx_buff[j].bufptr);
+                 kfree(priv->rxSignalBuffer.rx_buff[j].bufptr);
                  priv->rxSignalBuffer.rx_buff[j].bufptr = NULL;
              }
              func_exit();
@@ -126,7 +126,7 @@ static void signal_buffer_free(unifi_priv_t * priv, int size)
     for(i=0; i<size; i++)
     {
          priv->rxSignalBuffer.rx_buff[i].sig_len=0;
-         CsrMemFree(priv->rxSignalBuffer.rx_buff[i].bufptr);
+         kfree(priv->rxSignalBuffer.rx_buff[i].bufptr);
          priv->rxSignalBuffer.rx_buff[i].bufptr = NULL;
     }
 }