ALSA: usb-audio: Use strim() instead of open code

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

1 files changed, 2 insertions, 12 deletions

diff --git a/sound/usb/card.c b/sound/usb/card.c
index fa6c0972aa23..69725d5fa2d6 100644
--- a/sound/usb/card.c
+++ b/sound/usb/card.c
@@ -321,16 +321,6 @@ static int snd_usb_audio_dev_free(struct snd_device *device)
         return snd_usb_audio_free(chip);
 }
 
-static void remove_trailing_spaces(char *str)
-{
-        char *p;
-
-        if (!*str)
-                return;
-        for (p = str + strlen(str) - 1; p >= str && isspace(*p); p--)
-                *p = 0;
-}
-
 /*
  * create a chip instance and set its names.
  */
@@ -414,7 +404,7 @@ static int snd_usb_audio_create(struct usb_interface *intf,
                                 USB_ID_PRODUCT(chip->usb_id));
                 }
         }
-        remove_trailing_spaces(card->shortname);
+        strim(card->shortname);
 
         /* retrieve the vendor and device strings as longname */
         if (quirk && quirk->vendor_name && *quirk->vendor_name) {
@@ -428,7 +418,7 @@ static int snd_usb_audio_create(struct usb_interface *intf,
                 /* we don't really care if there isn't any vendor string */
         }
         if (len > 0) {
-                remove_trailing_spaces(card->longname);
+                strim(card->longname);
                 if (*card->longname)
                         strlcat(card->longname, " ", sizeof(card->longname));
         }