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authorErik Andren <erik.andren@gmail.com>2008-10-03 08:46:50 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2008-10-12 09:37:13 -0200
commite293e599524f74532b0add53ddf80f10ff854598 (patch)
treeec8306de58b273b79e507df183f0d9cec835ef5d /drivers/media/video/gspca
parentc109f8168f259ea1f1ab7009c6b99dbe8ea0e2b2 (diff)
V4L/DVB (9093): gspca: Cleanup code and small changes.
- convert some #define to enum. - remove some comments. - return ENOMEM on memory allocation failure. Signed-off-by: Erik Andren <erik.andren@gmail.com> Signed-off-by: Jean-Francois Moine <moinejf@free.fr> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/video/gspca')
-rw-r--r--drivers/media/video/gspca/gspca.c12
-rw-r--r--drivers/media/video/gspca/gspca.h12
-rw-r--r--drivers/media/video/gspca/m5602/m5602_core.c1
3 files changed, 11 insertions, 14 deletions
diff --git a/drivers/media/video/gspca/gspca.c b/drivers/media/video/gspca/gspca.c
index 02824fc101d5..9db3d899aa61 100644
--- a/drivers/media/video/gspca/gspca.c
+++ b/drivers/media/video/gspca/gspca.c
@@ -237,7 +237,7 @@ static void bulk_irq(struct urb *urb
* On LAST_PACKET, a new frame is returned.
*/
struct gspca_frame *gspca_frame_add(struct gspca_dev *gspca_dev,
- int packet_type,
+ enum gspca_packet_type packet_type,
struct gspca_frame *frame,
const __u8 *data,
int len)
@@ -317,7 +317,6 @@ static void *rvmalloc(unsigned long size)
void *mem;
unsigned long adr;
-/* size = PAGE_ALIGN(size); (already done) */
mem = vmalloc_32(size);
if (mem != NULL) {
adr = (unsigned long) mem;
@@ -937,7 +936,6 @@ static int vidioc_querycap(struct file *file, void *priv,
memset(cap, 0, sizeof *cap);
strncpy(cap->driver, gspca_dev->sd_desc->name, sizeof cap->driver);
-/* strncpy(cap->card, gspca_dev->cam.dev_name, sizeof cap->card); */
if (gspca_dev->dev->product != NULL) {
strncpy(cap->card, gspca_dev->dev->product,
sizeof cap->card);
@@ -1571,7 +1569,6 @@ static int vidioc_qbuf(struct file *file, void *priv,
}
frame->v4l2_buf.flags |= V4L2_BUF_FLAG_QUEUED;
-/* frame->v4l2_buf.flags &= ~V4L2_BUF_FLAG_DONE; */
if (frame->v4l2_buf.memory == V4L2_MEMORY_USERPTR) {
frame->v4l2_buf.m.userptr = v4l2_buf->m.userptr;
@@ -1836,22 +1833,21 @@ int gspca_dev_probe(struct usb_interface *intf,
if (dev_size < sizeof *gspca_dev)
dev_size = sizeof *gspca_dev;
gspca_dev = kzalloc(dev_size, GFP_KERNEL);
- if (gspca_dev == NULL) {
+ if (!gspca_dev) {
err("couldn't kzalloc gspca struct");
- return -EIO;
+ return -ENOMEM;
}
kref_init(&gspca_dev->kref);
gspca_dev->usb_buf = kmalloc(USB_BUF_SZ, GFP_KERNEL);
if (!gspca_dev->usb_buf) {
err("out of memory");
- ret = -EIO;
+ ret = -ENOMEM;
goto out;
}
gspca_dev->dev = dev;
gspca_dev->iface = interface->bInterfaceNumber;
gspca_dev->nbalt = intf->num_altsetting;
gspca_dev->sd_desc = sd_desc;
-/* gspca_dev->users = 0; (done by kzalloc) */
gspca_dev->nbufread = 2;
/* configure the subdriver and initialize the USB device */
diff --git a/drivers/media/video/gspca/gspca.h b/drivers/media/video/gspca/gspca.h
index f9006542c58f..4779dd0b06da 100644
--- a/drivers/media/video/gspca/gspca.h
+++ b/drivers/media/video/gspca/gspca.h
@@ -106,10 +106,12 @@ struct sd_desc {
};
/* packet types when moving from iso buf to frame buf */
-#define DISCARD_PACKET 0
-#define FIRST_PACKET 1
-#define INTER_PACKET 2
-#define LAST_PACKET 3
+enum gspca_packet_type {
+ DISCARD_PACKET,
+ FIRST_PACKET,
+ INTER_PACKET,
+ LAST_PACKET
+};
struct gspca_frame {
__u8 *data; /* frame buffer */
@@ -175,7 +177,7 @@ int gspca_dev_probe(struct usb_interface *intf,
struct module *module);
void gspca_disconnect(struct usb_interface *intf);
struct gspca_frame *gspca_frame_add(struct gspca_dev *gspca_dev,
- int packet_type,
+ enum gspca_packet_type packet_type,
struct gspca_frame *frame,
const __u8 *data,
int len);
diff --git a/drivers/media/video/gspca/m5602/m5602_core.c b/drivers/media/video/gspca/m5602/m5602_core.c
index 559495e2d11e..ac105ef4aa6a 100644
--- a/drivers/media/video/gspca/m5602/m5602_core.c
+++ b/drivers/media/video/gspca/m5602/m5602_core.c
@@ -146,7 +146,6 @@ int m5602_probe_sensor(struct sd *sd)
return 0;
}
-
/* More sensor probe function goes here */
info("Failed to find a sensor");
sd->sensor = NULL;