Author: kib
Date: Mon Dec 2 14:22:55 2019
New Revision: 355288
URL: https://svnweb.freebsd.org/changeset/base/355288
Log:
mlx5: Do not try to enable fwdumps if scan space did not responded.
Sponsored by: Mellanox Technologies
MFC after: 1 week
Modified:
head/sys/dev/mlx5/mlx5_core/mlx5_fwdump.c
Modified: head/sys/dev/mlx5/mlx5_core/mlx5_fwdump.c
==============================================================================
--- head/sys/dev/mlx5/mlx5_core/mlx5_fwdump.c Mon Dec 2 14:21:40 2019
(r355287)
+++ head/sys/dev/mlx5/mlx5_core/mlx5_fwdump.c Mon Dec 2 14:22:55 2019
(r355288)
@@ -111,6 +111,10 @@ mlx5_fwdump_prep(struct mlx5_core_dev *mdev)
sz++;
addr = next_addr;
}
+ if (sz == 1) {
+ mlx5_core_warn(mdev, "no output from scan space\n");
+ goto unlock_vsc;
+ }
mdev->dump_rege = malloc(sz * sizeof(struct mlx5_crspace_regmap),
M_MLX5_DUMP, M_WAITOK | M_ZERO);
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