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authorTejun Heo <tj@kernel.org>2014-03-19 10:23:54 -0400
committerTejun Heo <tj@kernel.org>2014-03-19 10:23:54 -0400
commit4d3bb511b5f9980fc3e9ae5939ebc475b231d3fc (patch)
tree1446858f230b5e9a3d0b3f23dd5bc9bc307ef411 /include/linux/cgroup.h
parent3dd06ffa9df99aa88f4e01eaa0c9d3cb362430b0 (diff)
cgroup: drop const from @buffer of cftype->write_string()
cftype->write_string() just passes on the writeable buffer from kernfs and there's no reason to add const restriction on the buffer. The only thing const achieves is unnecessarily complicating parsing of the buffer. Drop const from @buffer. Signed-off-by: Tejun Heo <tj@kernel.org> Acked-by: Li Zefan <lizefan@huawei.com> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Paul Mackerras <paulus@samba.org> Cc: Ingo Molnar <mingo@redhat.com> Cc: Arnaldo Carvalho de Melo <acme@ghostprotocols.net> Cc: Daniel Borkmann <dborkman@redhat.com> Cc: Michal Hocko <mhocko@suse.cz> Cc: Johannes Weiner <hannes@cmpxchg.org> Cc: Balbir Singh <bsingharora@gmail.com> Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Diffstat (limited to 'include/linux/cgroup.h')
-rw-r--r--include/linux/cgroup.h2
1 files changed, 1 insertions, 1 deletions
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