* [PATCH 1/1] [media] s5p-mfc: Add NULL check for allocated buffer
@ 2013-05-29 4:10 Sachin Kamat
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From: Sachin Kamat @ 2013-05-29 4:10 UTC (permalink / raw)
To: linux-media; +Cc: k.debski, sylvester.nawrocki, sachin.kamat, patches
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(-)
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;
--
1.7.9.5
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