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[1/1,media] s5p-mfc: Add NULL check for allocated buffer

Message ID 1369800600-19929-1-git-send-email-sachin.kamat@linaro.org (mailing list archive)
State New, archived
Headers show

Commit Message

Sachin Kamat May 29, 2013, 4:10 a.m. UTC 
In certain cases, dma_alloc_coherent returns NULL. Add check for
NULL pointer.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
---
 drivers/media/platform/s5p-mfc/s5p_mfc_ctrl.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_ctrl.c b/drivers/media/platform/s5p-mfc/s5p_mfc_ctrl.c
index 2e5f30b..dc1fc94 100644
--- a/drivers/media/platform/s5p-mfc/s5p_mfc_ctrl.c
+++ b/drivers/media/platform/s5p-mfc/s5p_mfc_ctrl.c
@@ -38,7 +38,7 @@  int s5p_mfc_alloc_firmware(struct s5p_mfc_dev *dev)
 	dev->fw_virt_addr = dma_alloc_coherent(dev->mem_dev_l, dev->fw_size,
 					&dev->bank1, GFP_KERNEL);
 
-	if (IS_ERR(dev->fw_virt_addr)) {
+	if (IS_ERR_OR_NULL(dev->fw_virt_addr)) {
 		dev->fw_virt_addr = NULL;
 		mfc_err("Allocating bitprocessor buffer failed\n");
 		return -ENOMEM;