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-rw-r--r--kernel/cgroup/cgroup.c12
1 files changed, 0 insertions, 12 deletions
diff --git a/kernel/cgroup/cgroup.c b/kernel/cgroup/cgroup.c
index 1d5b9de3b1b9..4b9ff41ca603 100644
--- a/kernel/cgroup/cgroup.c
+++ b/kernel/cgroup/cgroup.c
@@ -3885,14 +3885,6 @@ static __poll_t cgroup_pressure_poll(struct kernfs_open_file *of,
return psi_trigger_poll(&ctx->psi.trigger, of->file, pt);
}
-static int cgroup_pressure_open(struct kernfs_open_file *of)
-{
- if (of->file->f_mode & FMODE_WRITE && !capable(CAP_SYS_RESOURCE))
- return -EPERM;
-
- return 0;
-}
-
static void cgroup_pressure_release(struct kernfs_open_file *of)
{
struct cgroup_file_ctx *ctx = of->priv;
@@ -5299,7 +5291,6 @@ static struct cftype cgroup_psi_files[] = {
{
.name = "io.pressure",
.file_offset = offsetof(struct cgroup, psi_files[PSI_IO]),
- .open = cgroup_pressure_open,
.seq_show = cgroup_io_pressure_show,
.write = cgroup_io_pressure_write,
.poll = cgroup_pressure_poll,
@@ -5308,7 +5299,6 @@ static struct cftype cgroup_psi_files[] = {
{
.name = "memory.pressure",
.file_offset = offsetof(struct cgroup, psi_files[PSI_MEM]),
- .open = cgroup_pressure_open,
.seq_show = cgroup_memory_pressure_show,
.write = cgroup_memory_pressure_write,
.poll = cgroup_pressure_poll,
@@ -5317,7 +5307,6 @@ static struct cftype cgroup_psi_files[] = {
{
.name = "cpu.pressure",
.file_offset = offsetof(struct cgroup, psi_files[PSI_CPU]),
- .open = cgroup_pressure_open,
.seq_show = cgroup_cpu_pressure_show,
.write = cgroup_cpu_pressure_write,
.poll = cgroup_pressure_poll,
@@ -5327,7 +5316,6 @@ static struct cftype cgroup_psi_files[] = {
{
.name = "irq.pressure",
.file_offset = offsetof(struct cgroup, psi_files[PSI_IRQ]),
- .open = cgroup_pressure_open,
.seq_show = cgroup_irq_pressure_show,
.write = cgroup_irq_pressure_write,
.poll = cgroup_pressure_poll,