[PATCH] media: coda: set debugfs blobs to read only

[Wolfram Sang]

Those blobs can only be read. So, don't confuse users with 'writable'
flags.

Signed-off-by: Wolfram Sang <wsa+renesas@xxxxxxxxxxxxxxxxxxxx>
---

Found while working with blobs myself. I don't have coda HW.

 drivers/media/platform/coda/coda-common.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/media/platform/coda/coda-common.c b/drivers/media/platform/coda/coda-common.c
index 995e95272e51..294dfe7e1d33 100644
--- a/drivers/media/platform/coda/coda-common.c
+++ b/drivers/media/platform/coda/coda-common.c
@@ -1935,7 +1935,7 @@ int coda_alloc_aux_buf(struct coda_dev *dev, struct coda_aux_buf *buf,
 	if (name && parent) {
 		buf->blob.data = buf->vaddr;
 		buf->blob.size = size;
-		buf->dentry = debugfs_create_blob(name, 0644, parent,
+		buf->dentry = debugfs_create_blob(name, 0444, parent,
 						  &buf->blob);
 	}
 
@@ -3230,7 +3230,7 @@ static int coda_probe(struct platform_device *pdev)
 		memset(dev->iram.vaddr, 0, dev->iram.size);
 		dev->iram.blob.data = dev->iram.vaddr;
 		dev->iram.blob.size = dev->iram.size;
-		dev->iram.dentry = debugfs_create_blob("iram", 0644,
+		dev->iram.dentry = debugfs_create_blob("iram", 0444,
 						       dev->debugfs_root,
 						       &dev->iram.blob);
 	}
-- 
2.30.0