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Subject[PATCH 1/2] drivers/media/dvb/dvb-usb/dib0700: fix return values
Date
Propagte correct error values instead of returning -1 which just means
-EPERM ("Permission denied")

Signed-off-by: Daniel Mack <daniel@caiaq.de>
Cc: Wolfram Sang <w.sang@pengutronix.de>
Cc: Mauro Carvalho Chehab <mchehab@infradead.org>
Cc: Jiri Slaby <jslaby@suse.cz>
Cc: Dmitry Torokhov <dtor@mail.ru>
Cc: Devin Heitmueller <dheitmueller@kernellabs.com>
Cc: linux-media@vger.kernel.org
---
drivers/media/dvb/dvb-usb/dib0700_core.c | 16 +++++++---------
1 files changed, 7 insertions(+), 9 deletions(-)

diff --git a/drivers/media/dvb/dvb-usb/dib0700_core.c b/drivers/media/dvb/dvb-usb/dib0700_core.c
index 4f961d2..d2dabac 100644
--- a/drivers/media/dvb/dvb-usb/dib0700_core.c
+++ b/drivers/media/dvb/dvb-usb/dib0700_core.c
@@ -640,10 +640,10 @@ int dib0700_rc_setup(struct dvb_usb_device *d)
return 0;

/* Set the IR mode */
- i = dib0700_ctrl_wr(d, rc_setup, 3);
- if (i<0) {
+ i = dib0700_ctrl_wr(d, rc_setup, sizeof(rc_setup));
+ if (i < 0) {
err("ir protocol setup failed");
- return -1;
+ return i;
}

if (st->fw_version < 0x10200)
@@ -653,14 +653,14 @@ int dib0700_rc_setup(struct dvb_usb_device *d)
purb = usb_alloc_urb(0, GFP_KERNEL);
if (purb == NULL) {
err("rc usb alloc urb failed\n");
- return -1;
+ return -ENOMEM;
}

purb->transfer_buffer = kzalloc(RC_MSG_SIZE_V1_20, GFP_KERNEL);
if (purb->transfer_buffer == NULL) {
err("rc kzalloc failed\n");
usb_free_urb(purb);
- return -1;
+ return -ENOMEM;
}

purb->status = -EINPROGRESS;
@@ -669,12 +669,10 @@ int dib0700_rc_setup(struct dvb_usb_device *d)
dib0700_rc_urb_completion, d);

ret = usb_submit_urb(purb, GFP_ATOMIC);
- if (ret != 0) {
+ if (ret)
err("rc submit urb failed\n");
- return -1;
- }

- return 0;
+ return ret;
}

static int dib0700_probe(struct usb_interface *intf,
--
1.7.1


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