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authorIngo Molnar <mingo@elte.hu>2008-11-20 09:02:39 +0100
committerIngo Molnar <mingo@elte.hu>2008-11-20 09:02:39 +0100
commitfbc2a06056c9aa3cb8c44bf1cfeb1d260e229e5c (patch)
treefeb2a1c13ad3dff5a8c7ab3c0265e8eca7a0c5a3 /drivers/media/dvb/dvb-usb/dvb-usb-urb.c
parenta3d732f93785da17e0137210deadb4616f5536fc (diff)
parentee2f6cc7f9ea2542ad46070ed62ba7aa04d08871 (diff)
downloadlinux-fbc2a06056c9aa3cb8c44bf1cfeb1d260e229e5c.tar.gz
Merge branch 'linus' into x86/uv
Diffstat (limited to 'drivers/media/dvb/dvb-usb/dvb-usb-urb.c')
-rw-r--r--drivers/media/dvb/dvb-usb/dvb-usb-urb.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/media/dvb/dvb-usb/dvb-usb-urb.c b/drivers/media/dvb/dvb-usb/dvb-usb-urb.c
index 5cef12a07f72..6fe71c6745eb 100644
--- a/drivers/media/dvb/dvb-usb/dvb-usb-urb.c
+++ b/drivers/media/dvb/dvb-usb/dvb-usb-urb.c
@@ -13,14 +13,14 @@ int dvb_usb_generic_rw(struct dvb_usb_device *d, u8 *wbuf, u16 wlen, u8 *rbuf,
{
int actlen,ret = -ENOMEM;
+ if (!d || wbuf == NULL || wlen == 0)
+ return -EINVAL;
+
if (d->props.generic_bulk_ctrl_endpoint == 0) {
err("endpoint for generic control not specified.");
return -EINVAL;
}
- if (wbuf == NULL || wlen == 0)
- return -EINVAL;
-
if ((ret = mutex_lock_interruptible(&d->usb_mutex)))
return ret;