spi: au1550: Fix bug in deallocation of memory

This patch fixes a bug on the deallocation of memory allocated using
request_mem_region, by using release_mem_region instead of
release_resource and kfree.

Signed-off-by: Himangi Saraogi <himangi774@gmail.com>
Signed-off-by: Mark Brown <broonie@linaro.org>

1 files changed, 2 insertions, 4 deletions

diff --git a/drivers/spi/spi-au1550.c b/drivers/spi/spi-au1550.c
index 67375a11d4bd..fb61464348a1 100644
--- a/drivers/spi/spi-au1550.c
+++ b/drivers/spi/spi-au1550.c
@@ -925,8 +925,7 @@ err_no_txdma:
         iounmap((void __iomem *)hw->regs);
 
 err_ioremap:
-        release_resource(hw->ioarea);
-        kfree(hw->ioarea);
+        release_mem_region(r->start, sizeof(psc_spi_t));
 
 err_no_iores:
 err_no_pdata:
@@ -946,8 +945,7 @@ static int au1550_spi_remove(struct platform_device *pdev)
         spi_bitbang_stop(&hw->bitbang);
         free_irq(hw->irq, hw);
         iounmap((void __iomem *)hw->regs);
-        release_resource(hw->ioarea);
-        kfree(hw->ioarea);
+        release_mem_region(r->start, sizeof(psc_spi_t));
 
         if (hw->usedma) {
                 au1550_spi_dma_rxtmp_free(hw);