ALSA: Optimize module name check

module->name is a fixed array, so we can check the empty contents
straightforwardly in module_slot_match().

Spotted by coverity CID 1056786.

Signed-off-by: Takashi Iwai <tiwai@suse.de>

diff --git a/sound/core/init.c b/sound/core/init.c
index 6b9087115da24806e8aba244127ac8ec3a4e93f8..01a89383a0627bd8d78d5d9150d8e397fcd4f8ed 100644 (file)
--- a/sound/core/init.c
+++ b/sound/core/init.c
@@ -66,7 +66,7 @@ static int module_slot_match(struct module *module, int idx)
 #ifdef MODULE
        const char *s1, *s2;
 
-       if (!module || !module->name || !slots[idx])
+       if (!module || !*module->name || !slots[idx])
                return 0;
 
        s1 = module->name;