mirror of https://gitee.com/openkylin/linux.git
[media] s5p-mfc: Add NULL check for allocated buffer
In certain cases, dma_alloc_coherent returns NULL. Add check for NULL pointer. Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org> Signed-off-by: Kamil Debski <k.debski@samsung.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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@ -38,7 +38,7 @@ int s5p_mfc_alloc_firmware(struct s5p_mfc_dev *dev)
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dev->fw_virt_addr = dma_alloc_coherent(dev->mem_dev_l, dev->fw_size,
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&dev->bank1, GFP_KERNEL);
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if (IS_ERR(dev->fw_virt_addr)) {
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if (IS_ERR_OR_NULL(dev->fw_virt_addr)) {
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dev->fw_virt_addr = NULL;
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mfc_err("Allocating bitprocessor buffer failed\n");
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return -ENOMEM;
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