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ALSA: mpu401: Fix missing initialization of irq field
authorTakashi Iwai <tiwai@suse.de>
Mon, 23 Jul 2012 09:35:55 +0000 (11:35 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 9 Aug 2012 15:31:52 +0000 (08:31 -0700)
commite25824fa92d90e667b4285eddf7da11c541691a0
tree192b2ccc0dec08b95b2eef89fe497654b8ddb2a5tree | snapshot
parent6fc6d9aea32a459f96ac8678f3e25170a6a8cfa9commit | diff
ALSA: mpu401: Fix missing initialization of irq field

commit bc733d495267a23ef8660220d696c6e549ce30b3 upstream.

The irq field of struct snd_mpu401 is supposed to be initialized to -1.
Since it's set to zero as of now, a probing error before the irq
installation results in a kernel warning "Trying to free already-free
IRQ 0".

Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=44821
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
sound/drivers/mpu401/mpu401_uart.c diff | blob | history
Linux kernel for KaRo TX COM modules