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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 /security
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 'security')
-rw-r--r--security/device_cgroup.c4
1 files changed, 2 insertions, 2 deletions
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)
496 * parent cgroup has the access you're asking for. 496 * parent cgroup has the access you're asking for.
497 */ 497 */
498static int devcgroup_update_access(struct dev_cgroup *devcgroup, 498static int devcgroup_update_access(struct dev_cgroup *devcgroup,
499 int filetype, const char *buffer) 499 int filetype, char *buffer)
500{ 500{
501 const char *b; 501 const char *b;
502 char temp[12]; /* 11 + 1 characters needed for a u32 */ 502 char temp[12]; /* 11 + 1 characters needed for a u32 */
@@ -652,7 +652,7 @@ static int devcgroup_update_access(struct dev_cgroup *devcgroup,
652} 652}
653 653
654static int devcgroup_access_write(struct cgroup_subsys_state *css, 654static int devcgroup_access_write(struct cgroup_subsys_state *css,
655 struct cftype *cft, const char *buffer) 655 struct cftype *cft, char *buffer)
656{ 656{
657 int retval; 657 int retval;
658 658