diff options
| author | Eliot Blennerhassett <eblennerhassett@audioscience.com> | 2011-07-22 15:52:46 +1200 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2011-07-22 07:50:44 +0200 |
| commit | 1c073b6797969dfc808d077cf28f9e0205070edd (patch) | |
| tree | a66ce1394433bb5b91a93fa1d08951b7d6f21297 /sound/pci/asihpi/hpioctl.c | |
| parent | 0a17e993076f226aca3463a1c7fb9265e06ed2d3 (diff) | |
| download | blackbird-op-linux-1c073b6797969dfc808d077cf28f9e0205070edd.tar.gz blackbird-op-linux-1c073b6797969dfc808d077cf28f9e0205070edd.zip | |
ALSA: asihpi - Remove spurious adapter index check
Subsystem requests don't have or need a valid adapter index.
The adapter index is already checked further on, before it is used to index
the adapters array. (Reverts 4a122c10f)
Signed-off-by: Eliot Blennerhassett <eblennerhassett@audioscience.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/pci/asihpi/hpioctl.c')
| -rw-r--r-- | sound/pci/asihpi/hpioctl.c | 10 |
1 files changed, 3 insertions, 7 deletions
diff --git a/sound/pci/asihpi/hpioctl.c b/sound/pci/asihpi/hpioctl.c index d8e7047512f8..65fcf4770731 100644 --- a/sound/pci/asihpi/hpioctl.c +++ b/sound/pci/asihpi/hpioctl.c @@ -1,7 +1,7 @@ /******************************************************************************* AudioScience HPI driver - Copyright (C) 1997-2010 AudioScience Inc. <support@audioscience.com> + Copyright (C) 1997-2011 AudioScience Inc. <support@audioscience.com> This program is free software; you can redistribute it and/or modify it under the terms of version 2 of the GNU General Public License as @@ -157,11 +157,6 @@ long asihpi_hpi_ioctl(struct file *file, unsigned int cmd, unsigned long arg) goto out; } - if (hm->h.adapter_index >= HPI_MAX_ADAPTERS) { - err = -EINVAL; - goto out; - } - switch (hm->h.function) { case HPI_SUBSYS_CREATE_ADAPTER: case HPI_ADAPTER_DELETE: @@ -187,7 +182,6 @@ long asihpi_hpi_ioctl(struct file *file, unsigned int cmd, unsigned long arg) /* -1=no data 0=read from user mem, 1=write to user mem */ int wrflag = -1; u32 adapter = hm->h.adapter_index; - pa = &adapters[adapter]; if ((adapter > HPI_MAX_ADAPTERS) || (!pa->type)) { hpi_init_response(&hr->r0, HPI_OBJ_ADAPTER, @@ -203,6 +197,8 @@ long asihpi_hpi_ioctl(struct file *file, unsigned int cmd, unsigned long arg) goto out; } + pa = &adapters[adapter]; + if (mutex_lock_interruptible(&adapters[adapter].mutex)) { err = -EINTR; goto out; |
