[Qemu-arm] [PATCH] Reducing stack frame size in stream_process_mem2s()

[rutu . shah . 26]

From: Rutuja Shah <address@hidden>

This patch allocates memory for txbuf array on the heap rather than the stack.
As a result, the stack frame size is reduced.

Signed-off-by: Rutuja Shah <address@hidden>
---
 hw/dma/xilinx_axidma.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/hw/dma/xilinx_axidma.c b/hw/dma/xilinx_axidma.c
index b135a5f..6c63575 100644
--- a/hw/dma/xilinx_axidma.c
+++ b/hw/dma/xilinx_axidma.c
@@ -256,13 +256,14 @@ static void stream_process_mem2s(struct Stream *s, 
StreamSlave *tx_data_dev,
                                  StreamSlave *tx_control_dev)
 {
     uint32_t prev_d;
-    unsigned char txbuf[16 * 1024];
+    unsigned char *txbuf;
     unsigned int txlen;
 
     if (!stream_running(s) || stream_idle(s)) {
         return;
     }
 
+    txbuf = g_malloc(16 * 1024);
     while (1) {
         stream_desc_load(s, s->regs[R_CURDESC]);
 
@@ -304,6 +305,7 @@ static void stream_process_mem2s(struct Stream *s, 
StreamSlave *tx_data_dev,
             break;
         }
     }
+    g_free(txbuf);
 }
 
 static size_t stream_process_s2mem(struct Stream *s, unsigned char *buf,
-- 
1.9.1