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path: root/tools/testing/selftests/drivers/net/hw/ncdevmem.c
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Diffstat (limited to 'tools/testing/selftests/drivers/net/hw/ncdevmem.c')
-rw-r--r--tools/testing/selftests/drivers/net/hw/ncdevmem.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/testing/selftests/drivers/net/hw/ncdevmem.c b/tools/testing/selftests/drivers/net/hw/ncdevmem.c
index d96e8a3b5a65..ffe1d5c1fa4e 100644
--- a/tools/testing/selftests/drivers/net/hw/ncdevmem.c
+++ b/tools/testing/selftests/drivers/net/hw/ncdevmem.c
@@ -150,7 +150,7 @@ static struct memory_buffer *udmabuf_alloc(size_t size)
ctx->size = size;
- ctx->devfd = open("/dev/udmabuf", O_RDWR);
+ ctx->devfd = open("/dev/udmabuf", O_RDONLY);
if (ctx->devfd < 0) {
pr_err("[skip,no-udmabuf: Unable to access DMA buffer device file]");
goto err_free_ctx;