11 files changed, 15 insertions, 15 deletions

diff --git a/block/blk-throttle.c b/block/blk-throttle.c
index 861c363e4129..033745cd7fba 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 461187943392..f5de45b6af36 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 77294fc66603..79993ac066c5 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 60ea16058c42..f5754910e80b 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 2ea98b216bff..2bc4a2256444 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 8d5324583aa4..efbf9baf77ec 100644
--- a/kernel/cpuset.c
+++ b/kernel/cpuset.c
@@ -1610,7 +1610,7 @@ out_unlock:
  * 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 b135853e68f3..595d7fd795e1 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 d9c6ac1532e6..96f94a9f2faf 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 f9f3a40d3350..3825f669147b 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 20a0aca9131e..d4f015ad6c84 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 7f88bcde7c61..8365909f5f8c 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;