diff options
| author | Paul Mundt <lethal@linux-sh.org> | 2011-08-08 13:45:28 +0900 |
|---|---|---|
| committer | Paul Mundt <lethal@linux-sh.org> | 2011-08-08 13:45:28 +0900 |
| commit | 77c7ee51a062bb595c501ec098125a68999c20c3 (patch) | |
| tree | c5060ca5786ef353e005dae04b61d2c49967284d /sound/pci/asihpi/hpioctl.c | |
| parent | 1ba762209491e2496e58baffa3fd65d661f54404 (diff) | |
| parent | 322a8b034003c0d46d39af85bf24fee27b902f48 (diff) | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux into sh-latest
Conflicts:
drivers/tty/serial/sh-sci.c
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'sound/pci/asihpi/hpioctl.c')
| -rw-r--r-- | sound/pci/asihpi/hpioctl.c | 19 |
1 files changed, 12 insertions, 7 deletions
diff --git a/sound/pci/asihpi/hpioctl.c b/sound/pci/asihpi/hpioctl.c index 9683f84ecdc..a32502e796d 100644 --- a/sound/pci/asihpi/hpioctl.c +++ b/sound/pci/asihpi/hpioctl.c @@ -177,16 +177,21 @@ long asihpi_hpi_ioctl(struct file *file, unsigned int cmd, unsigned long arg) } else { u16 __user *ptr = NULL; u32 size = 0; - + u32 adapter_present; /* -1=no data 0=read from user mem, 1=write to user mem */ int wrflag = -1; - u32 adapter = hm->h.adapter_index; - struct hpi_adapter *pa = &adapters[adapter]; + struct hpi_adapter *pa; + + if (hm->h.adapter_index < HPI_MAX_ADAPTERS) { + pa = &adapters[hm->h.adapter_index]; + adapter_present = pa->type; + } else { + adapter_present = 0; + } - if ((adapter >= HPI_MAX_ADAPTERS) || (!pa->type)) { - hpi_init_response(&hr->r0, HPI_OBJ_ADAPTER, - HPI_ADAPTER_OPEN, - HPI_ERROR_BAD_ADAPTER_NUMBER); + if (!adapter_present) { + hpi_init_response(&hr->r0, hm->h.object, + hm->h.function, HPI_ERROR_BAD_ADAPTER_NUMBER); uncopied_bytes = copy_to_user(puhr, hr, sizeof(hr->h)); |