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authorLeon Romanovsky <leonro@nvidia.com>2021-10-21 08:27:39 +0300
committerLeon Romanovsky <leonro@nvidia.com>2021-10-21 08:27:39 +0300
commit60dd57c7479418e2bc902143eb46a2fdcfeecbbb (patch)
treeab6005faf6076a4c93fdfbcdccc1ff4bc044c8ec /kernel/sched/debug.c
parentb8dfed636fc6239396c3a2ae5f812505906cf215 (diff)
parentae0579acde812bc1efd074086ae3bc5eae170f20 (diff)
downloadcachepc-linux-60dd57c7479418e2bc902143eb46a2fdcfeecbbb.tar.gz
cachepc-linux-60dd57c7479418e2bc902143eb46a2fdcfeecbbb.zip
Merge brank 'mlx5_mkey' into rdma.git for-next
A small series to clean up the mlx5 mkey code across the mlx5_core and InfiniBand. * branch 'mlx5_mkey': RDMA/mlx5: Attach ndescs to mlx5_ib_mkey RDMA/mlx5: Move struct mlx5_core_mkey to mlx5_ib RDMA/mlx5: Replace struct mlx5_core_mkey by u32 key RDMA/mlx5: Remove pd from struct mlx5_core_mkey RDMA/mlx5: Remove size from struct mlx5_core_mkey RDMA/mlx5: Remove iova from struct mlx5_core_mkey Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Diffstat (limited to 'kernel/sched/debug.c')
-rw-r--r--kernel/sched/debug.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/kernel/sched/debug.c b/kernel/sched/debug.c
index 49716228efb4..17a653b67006 100644
--- a/kernel/sched/debug.c
+++ b/kernel/sched/debug.c
@@ -173,16 +173,22 @@ static ssize_t sched_scaling_write(struct file *filp, const char __user *ubuf,
size_t cnt, loff_t *ppos)
{
char buf[16];
+ unsigned int scaling;
if (cnt > 15)
cnt = 15;
if (copy_from_user(&buf, ubuf, cnt))
return -EFAULT;
+ buf[cnt] = '\0';
- if (kstrtouint(buf, 10, &sysctl_sched_tunable_scaling))
+ if (kstrtouint(buf, 10, &scaling))
return -EINVAL;
+ if (scaling >= SCHED_TUNABLESCALING_END)
+ return -EINVAL;
+
+ sysctl_sched_tunable_scaling = scaling;
if (sched_update_scaling())
return -EINVAL;