Author: kib
Date: Mon Dec 9 00:43:11 2019
New Revision: 355543
URL: https://svnweb.freebsd.org/changeset/base/355543
Log:
MFC r355288:
mlx5: Do not try to enable fwdumps if scan space did not responded.
Modified:
stable/12/sys/dev/mlx5/mlx5_core/mlx5_fwdump.c
Directory Properties:
stable/12/ (props changed)
Modified: stable/12/sys/dev/mlx5/mlx5_core/mlx5_fwdump.c
==============================================================================
--- stable/12/sys/dev/mlx5/mlx5_core/mlx5_fwdump.c Mon Dec 9 00:42:12
2019 (r355542)
+++ stable/12/sys/dev/mlx5/mlx5_core/mlx5_fwdump.c Mon Dec 9 00:43:11
2019 (r355543)
@@ -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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