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PM / wakeup: wakeup_source_create: use kstrdup_const

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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>
This commit is contained in:
Rasmus Villemoes 2015-09-09 23:42:06 +02:00 committed by Rafael J. Wysocki
parent a6f5f0dd4e
commit 7236214c88
1 changed files with 2 additions and 2 deletions
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4
drivers/base/power/wakeup.c
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@ -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);