qcacmn: Add caller info to memory debug infrastructure

Currently, the detected memory leaks would not dump
the caller of the function which is leaking the memory.
Add an extra parameter to the table to store the caller
address and print the function during an assert.

Change-Id: I6dc31b55fd4e78dc69df9eb6166ebb63086891c1
CRs-Fixed: 2177486

qdf/inc/qdf_mem.h

@@ -101,6 +101,7 @@ void qdf_mem_exit(void);
  * @size: Number of bytes of memory to allocate.
  * @file: File name of the call site
  * @line: Line number of the call site
+ * @caller: Address of the caller function
  *
  * This function will dynamicallly allocate the specified number of bytes of
  * memory and add it to the qdf tracking list to check for memory leaks and
@@ -108,10 +109,11 @@ void qdf_mem_exit(void);
  *
  * Return: A valid memory location on success, or NULL on failure
  */
-void *qdf_mem_malloc_debug(size_t size, const char *file, uint32_t line);
+void *qdf_mem_malloc_debug(size_t size, const char *file, uint32_t line,
+			   void *caller);
 
 #define qdf_mem_malloc(size) \
-	qdf_mem_malloc_debug(size, __FILE__, __LINE__)
+	qdf_mem_malloc_debug(size, __FILE__, __LINE__, QDF_RET_IP)
 
 /**
  * qdf_mem_free_debug() - debug version of qdf_mem_free
@@ -167,16 +169,18 @@ void qdf_mem_check_for_leaks(void);
  * @paddr: Physical address
  * @file: file name of the call site
  * @line: line numbe rof the call site
+ * @caller: Address of the caller function
  *
  * Return: pointer of allocated memory or null if memory alloc fails
  */
 void *qdf_mem_alloc_consistent_debug(qdf_device_t osdev, void *dev,
 				     qdf_size_t size, qdf_dma_addr_t *paddr,
-				     const char *file, uint32_t line);
+				     const char *file, uint32_t line,
+				     void *caller);
 
 #define qdf_mem_alloc_consistent(osdev, dev, size, paddr) \
 	qdf_mem_alloc_consistent_debug(osdev, dev, size, paddr, \
-				       __FILE__, __LINE__)
+				       __FILE__, __LINE__, QDF_RET_IP)
 
 /**
  * qdf_mem_free_consistent_debug() - free consistent qdf memory