Blame SOURCES/mlnx-dpdk-0005-net-mlx-add-debug-checks-to-glue-structure.patch

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From bb12b6e32bafdba8836000d8515e5864f65f75be Mon Sep 17 00:00:00 2001
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From: Adrien Mazarguil <adrien.mazarguil@6wind.com>
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Date: Thu, 1 Feb 2018 14:30:57 +0100
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Subject: [PATCH 5/9] net/mlx: add debug checks to glue structure
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This code should catch mistakes early if a glue structure member is added
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without a corresponding implementation in the library.
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Signed-off-by: Adrien Mazarguil <adrien.mazarguil@6wind.com>
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(cherry picked from commit 1b176cec4973a410eaeff00f33c6d49b795aa867)
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---
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 drivers/net/mlx4/mlx4.c | 9 +++++++++
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 drivers/net/mlx5/mlx5.c | 9 +++++++++
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 2 files changed, 18 insertions(+)
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diff --git a/drivers/net/mlx4/mlx4.c b/drivers/net/mlx4/mlx4.c
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index d12b00c..43d1b0a 100644
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--- a/drivers/net/mlx4/mlx4.c
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+++ b/drivers/net/mlx4/mlx4.c
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@@ -764,6 +764,15 @@ struct mlx4_conf {
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 		return;
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 	assert(mlx4_glue);
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 #endif
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+#ifndef NDEBUG
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+	/* Glue structure must not contain any NULL pointers. */
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+	{
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+		unsigned int i;
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+
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+		for (i = 0; i != sizeof(*mlx4_glue) / sizeof(void *); ++i)
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+			assert(((const void *const *)mlx4_glue)[i]);
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+	}
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+#endif
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 	mlx4_glue->fork_init();
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 	rte_pci_register(&mlx4_driver);
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 }
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diff --git a/drivers/net/mlx5/mlx5.c b/drivers/net/mlx5/mlx5.c
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index 71ebdce..6a3746d 100644
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--- a/drivers/net/mlx5/mlx5.c
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+++ b/drivers/net/mlx5/mlx5.c
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@@ -1090,6 +1090,15 @@ struct mlx5_args {
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 		return;
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 	assert(mlx5_glue);
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 #endif
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+#ifndef NDEBUG
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+	/* Glue structure must not contain any NULL pointers. */
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+	{
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+		unsigned int i;
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+
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+		for (i = 0; i != sizeof(*mlx5_glue) / sizeof(void *); ++i)
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+			assert(((const void *const *)mlx5_glue)[i]);
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+	}
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+#endif
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 	mlx5_glue->fork_init();
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 	rte_pci_register(&mlx5_driver);
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 }
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-- 
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1.8.3.1
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