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authorRasmus Villemoes <linux@rasmusvillemoes.dk>2015-09-09 23:42:06 +0200
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2015-09-25 02:30:50 +0200
commit7236214c88454d96de7633e07a8314644d529f26 (patch)
tree55a5a0bbafadd1c74793205a717d3c043c815e0c /drivers/base/power
parenta6f5f0dd4e21191ce35030dd4d6421e1cca10ee4 (diff)
PM / wakeup: wakeup_source_create: use kstrdup_const
Using kstrdup_const allows us to save a little runtime memory (and a string copy) in the common case where name is a string literal. Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers/base/power')
-rw-r--r--drivers/base/power/wakeup.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/base/power/wakeup.c b/drivers/base/power/wakeup.c
index 3b361ecfaffc..a1e0b9ab847a 100644
--- a/drivers/base/power/wakeup.c
+++ b/drivers/base/power/wakeup.c
@@ -94,7 +94,7 @@ struct wakeup_source *wakeup_source_create(const char *name)
if (!ws)
return NULL;
- wakeup_source_prepare(ws, name ? kstrdup(name, GFP_KERNEL) : NULL);
+ wakeup_source_prepare(ws, name ? kstrdup_const(name, GFP_KERNEL) : NULL);
return ws;
}
EXPORT_SYMBOL_GPL(wakeup_source_create);
@@ -157,7 +157,7 @@ void wakeup_source_destroy(struct wakeup_source *ws)
wakeup_source_drop(ws);
wakeup_source_record(ws);
- kfree(ws->name);
+ kfree_const(ws->name);
kfree(ws);
}
EXPORT_SYMBOL_GPL(wakeup_source_destroy);