diff --git a/block/blk-throttle.c b/block/blk-throttle.c
index 861c363e412914f4d4a9b53655089adaa7d91ee0..033745cd7fba62b299301860f4ee0f50ec2ff04e 100644
--- a/block/blk-throttle.c
+++ b/block/blk-throttle.c
@@ -1408,13 +1408,13 @@ static int tg_set_conf(struct cgroup_subsys_state *css, struct cftype *cft,
}
static int tg_set_conf_u64(struct cgroup_subsys_state *css, struct cftype *cft,
- const char *buf)
+ char *buf)
{
return tg_set_conf(css, cft, buf, true);
}
static int tg_set_conf_uint(struct cgroup_subsys_state *css, struct cftype *cft,
- const char *buf)
+ char *buf)
{
return tg_set_conf(css, cft, buf, false);
}
diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c
index 461187943392e96d5db9a50327fad3e9239eed31..f5de45b6af36bf05f01a34a3790ba9f8e11cbadc 100644
--- a/block/cfq-iosched.c
+++ b/block/cfq-iosched.c
@@ -1701,13 +1701,13 @@ static int __cfqg_set_weight_device(struct cgroup_subsys_state *css,
}
static int cfqg_set_weight_device(struct cgroup_subsys_state *css,
- struct cftype *cft, const char *buf)
+ struct cftype *cft, char *buf)
{
return __cfqg_set_weight_device(css, cft, buf, false);
}
static int cfqg_set_leaf_weight_device(struct cgroup_subsys_state *css,
- struct cftype *cft, const char *buf)
+ struct cftype *cft, char *buf)
{
return __cfqg_set_weight_device(css, cft, buf, true);
}
diff --git a/include/linux/cgroup.h b/include/linux/cgroup.h
index 77294fc66603069c091508f4e17f3a19f6ff8edf..79993ac066c52ad94a4193ba41b4ff8593bd9d60 100644
--- a/include/linux/cgroup.h
+++ b/include/linux/cgroup.h
@@ -454,7 +454,7 @@ struct cftype {
* Returns 0 or -ve error code.
*/
int (*write_string)(struct cgroup_subsys_state *css, struct cftype *cft,
- const char *buffer);
+ char *buffer);
/*
* trigger() callback can be used to get some kick from the
* userspace, when the actual string written is not important
diff --git a/kernel/cgroup.c b/kernel/cgroup.c
index 60ea16058c420fd2fa2e0da35b1a460ef75f3dd1..f5754910e80bbd12b55257dfa6658ff0b23a60d4 100644
--- a/kernel/cgroup.c
+++ b/kernel/cgroup.c
@@ -2143,7 +2143,7 @@ static int cgroup_procs_write(struct cgroup_subsys_state *css,
}
static int cgroup_release_agent_write(struct cgroup_subsys_state *css,
- struct cftype *cft, const char *buffer)
+ struct cftype *cft, char *buffer)
{
struct cgroup_root *root = css->cgroup->root;
diff --git a/kernel/cgroup_freezer.c b/kernel/cgroup_freezer.c
index 2ea98b216bff56a21aaec5fc974c3ca0d9ac1671..2bc4a2256444ebf500269c5dc276871e48e0efa8 100644
--- a/kernel/cgroup_freezer.c
+++ b/kernel/cgroup_freezer.c
@@ -442,7 +442,7 @@ static void freezer_change_state(struct freezer *freezer, bool freeze)
}
static int freezer_write(struct cgroup_subsys_state *css, struct cftype *cft,
- const char *buffer)
+ char *buffer)
{
bool freeze;
diff --git a/kernel/cpuset.c b/kernel/cpuset.c
index 8d5324583aa4d52db06aa61466e3e73d79ad37e5..efbf9baf77ec8425c2d5d14a61afc5cf0e28b181 100644
--- a/kernel/cpuset.c
+++ b/kernel/cpuset.c
@@ -1610,7 +1610,7 @@ static int cpuset_write_s64(struct cgroup_subsys_state *css, struct cftype *cft,
* Common handling for a write to a "cpus" or "mems" file.
*/
static int cpuset_write_resmask(struct cgroup_subsys_state *css,
- struct cftype *cft, const char *buf)
+ struct cftype *cft, char *buf)
{
struct cpuset *cs = css_cs(css);
struct cpuset *trialcs;
diff --git a/mm/hugetlb_cgroup.c b/mm/hugetlb_cgroup.c
index b135853e68f3134b79a5b4a3e03c13b1b9999d29..595d7fd795e168e1c38205f2a4d5703f49068399 100644
--- a/mm/hugetlb_cgroup.c
+++ b/mm/hugetlb_cgroup.c
@@ -254,7 +254,7 @@ static u64 hugetlb_cgroup_read_u64(struct cgroup_subsys_state *css,
}
static int hugetlb_cgroup_write(struct cgroup_subsys_state *css,
- struct cftype *cft, const char *buffer)
+ struct cftype *cft, char *buffer)
{
int idx, name, ret;
unsigned long long val;
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index d9c6ac1532e64a0dd06be9f36859c35551a15ccc..96f94a9f2faf0f2bbccbdf06a52631193e434eba 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -5242,7 +5242,7 @@ static int memcg_update_kmem_limit(struct mem_cgroup *memcg,
* RES_LIMIT.
*/
static int mem_cgroup_write(struct cgroup_subsys_state *css, struct cftype *cft,
- const char *buffer)
+ char *buffer)
{
struct mem_cgroup *memcg = mem_cgroup_from_css(css);
enum res_type type;
@@ -6063,7 +6063,7 @@ static void memcg_event_ptable_queue_proc(struct file *file,
* Interpretation of args is defined by control file implementation.
*/
static int memcg_write_event_control(struct cgroup_subsys_state *css,
- struct cftype *cft, const char *buffer)
+ struct cftype *cft, char *buffer)
{
struct mem_cgroup *memcg = mem_cgroup_from_css(css);
struct mem_cgroup_event *event;
diff --git a/net/core/netprio_cgroup.c b/net/core/netprio_cgroup.c
index f9f3a40d3350e8f7ecd731c2c9ddbd226973a170..3825f669147b429dc10efe2204c1b7523092c66c 100644
--- a/net/core/netprio_cgroup.c
+++ b/net/core/netprio_cgroup.c
@@ -186,7 +186,7 @@ static int read_priomap(struct seq_file *sf, void *v)
}
static int write_priomap(struct cgroup_subsys_state *css, struct cftype *cft,
- const char *buffer)
+ char *buffer)
{
char devname[IFNAMSIZ + 1];
struct net_device *dev;
diff --git a/net/ipv4/tcp_memcontrol.c b/net/ipv4/tcp_memcontrol.c
index 20a0aca9131edfec97eab77437225ad9698b3b02..d4f015ad6c841ddcc4c4327eb4ccf2ad49697dff 100644
--- a/net/ipv4/tcp_memcontrol.c
+++ b/net/ipv4/tcp_memcontrol.c
@@ -103,7 +103,7 @@ static int tcp_update_limit(struct mem_cgroup *memcg, u64 val)
}
static int tcp_cgroup_write(struct cgroup_subsys_state *css, struct cftype *cft,
- const char *buffer)
+ char *buffer)
{
struct mem_cgroup *memcg = mem_cgroup_from_css(css);
unsigned long long val;
diff --git a/security/device_cgroup.c b/security/device_cgroup.c
index 7f88bcde7c61a42d355e81ead4719f86bab27630..8365909f5f8cfc6f404fe5ce21b936884298d13f 100644
--- a/security/device_cgroup.c
+++ b/security/device_cgroup.c
@@ -496,7 +496,7 @@ static inline bool has_children(struct dev_cgroup *devcgroup)
* parent cgroup has the access you're asking for.
*/
static int devcgroup_update_access(struct dev_cgroup *devcgroup,
- int filetype, const char *buffer)
+ int filetype, char *buffer)
{
const char *b;
char temp[12]; /* 11 + 1 characters needed for a u32 */
@@ -652,7 +652,7 @@ static int devcgroup_update_access(struct dev_cgroup *devcgroup,
}
static int devcgroup_access_write(struct cgroup_subsys_state *css,
- struct cftype *cft, const char *buffer)
+ struct cftype *cft, char *buffer)
{
int retval;