From 61a6a108d15213f5ee06332e1e7766d3860e4453 Mon Sep 17 00:00:00 2001 From: Thomas Pfaff Date: Mon, 26 Sep 2011 15:43:59 +0200 Subject: [PATCH] ALSA: usb-audio: Check for possible chip NULL pointer before clearing probing flag Before clearing the probing flag in the error exit path, check that the chip pointer is not NULL. Signed-off-by: Thomas Pfaff Cc: [2.6.39+] Signed-off-by: Takashi Iwai --- sound/usb/card.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/sound/usb/card.c b/sound/usb/card.c index ed120ca2353d..d8f2bf401458 100644 --- a/sound/usb/card.c +++ b/sound/usb/card.c @@ -530,9 +530,11 @@ snd_usb_audio_probe(struct usb_device *dev, return chip; __error: - if (chip && !chip->num_interfaces) - snd_card_free(chip->card); - chip->probing = 0; + if (chip) { + if (!chip->num_interfaces) + snd_card_free(chip->card); + chip->probing = 0; + } mutex_unlock(®ister_mutex); __err_val: return NULL; -- 2.39.5