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authorKarsten Wiese <annabellesgarden@yahoo.de>2005-06-14 09:54:55 -0700
committerLinus Torvalds <torvalds@ppc970.osdl.org>2005-06-14 11:05:13 -0700
commitefa93dbedd0e2eacf49ea6fff1fe4397d520cf61 (patch)
tree2fc2f2f52d2509bb73d6aa847c4fc8a8a188e0bc /sound
parent9a47696970bc8233818d370011e2fddae5cfce9f (diff)
downloadop-kernel-dev-efa93dbedd0e2eacf49ea6fff1fe4397d520cf61.zip
op-kernel-dev-efa93dbedd0e2eacf49ea6fff1fe4397d520cf61.tar.gz
[PATCH] usbaudio: prevent oops & dead keyboard on usb unplugging while the device is being used
Without this patch, some usb kobjects, which are parents to the usx2y's kobjects can be freed before the usx2y's. This led to an oops in get_kobj_path_length() and a dead keyboard, when the usx2y's kobjects were freed. The patch ensures the correct sequence. Tested ok on kernel 2.6.12-rc2. Present in ALSA cvs Signed-off-by: Karsten Wiese <annabellesgarden@yahoo.de> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de> Signed-off-by: Chris Wright <chrisw@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'sound')
-rw-r--r--sound/usb/usbaudio.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/sound/usb/usbaudio.c b/sound/usb/usbaudio.c
index 84b0bbd..aae6614 100644
--- a/sound/usb/usbaudio.c
+++ b/sound/usb/usbaudio.c
@@ -3289,7 +3289,7 @@ static void snd_usb_audio_disconnect(struct usb_device *dev, void *ptr)
}
usb_chip[chip->index] = NULL;
up(&register_mutex);
- snd_card_free_in_thread(card);
+ snd_card_free(card);
} else {
up(&register_mutex);
}
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