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Subject[PATCH V3] drivers/media/video/uvc: Use %pUl to print UUIDs
From
Date
On Tue, 2009-10-13 at 15:16 -0700, Andrew Morton wrote:
> Please either send an incremental patch or send a new patch. Not this.

Sure thing.

This patch includes some changes that Laurent originally
commented on as well as the Buffer[5]/buffer[5] correction.

http://lkml.org/lkml/2009/9/30/399

Signed-off-by: Joe Perches <joe@perches.com>

drivers/media/video/uvc/uvc_ctrl.c | 74 +++++++++++++++------------------
drivers/media/video/uvc/uvc_driver.c | 9 ++--
drivers/media/video/uvc/uvcvideo.h | 10 -----
3 files changed, 38 insertions(+), 55 deletions(-)

diff --git a/drivers/media/video/uvc/uvc_ctrl.c b/drivers/media/video/uvc/uvc_ctrl.c
index c3225a5..4536c3e 100644
--- a/drivers/media/video/uvc/uvc_ctrl.c
+++ b/drivers/media/video/uvc/uvc_ctrl.c
@@ -1092,10 +1092,9 @@ int uvc_xu_ctrl_query(struct uvc_video_chain *chain,
}

if (!found) {
- uvc_trace(UVC_TRACE_CONTROL,
- "Control " UVC_GUID_FORMAT "/%u not found.\n",
- UVC_GUID_ARGS(entity->extension.guidExtensionCode),
- xctrl->selector);
+ uvc_trace(UVC_TRACE_CONTROL, "Control %pUl/%u not found.\n",
+ entity->extension.guidExtensionCode,
+ xctrl->selector);
return -EINVAL;
}

@@ -1171,9 +1170,9 @@ int uvc_ctrl_resume_device(struct uvc_device *dev)
(ctrl->info->flags & UVC_CONTROL_RESTORE) == 0)
continue;

- printk(KERN_INFO "restoring control " UVC_GUID_FORMAT
- "/%u/%u\n", UVC_GUID_ARGS(ctrl->info->entity),
- ctrl->info->index, ctrl->info->selector);
+ printk(KERN_INFO "restoring control %pUl/%u/%u\n",
+ ctrl->info->entity,
+ ctrl->info->index, ctrl->info->selector);
ctrl->dirty = 1;
}

@@ -1227,47 +1226,44 @@ static void uvc_ctrl_add_ctrl(struct uvc_device *dev,
ret = uvc_query_ctrl(dev, UVC_GET_LEN, ctrl->entity->id,
dev->intfnum, info->selector, (__u8 *)&size, 2);
if (ret < 0) {
- uvc_trace(UVC_TRACE_CONTROL, "GET_LEN failed on "
- "control " UVC_GUID_FORMAT "/%u (%d).\n",
- UVC_GUID_ARGS(info->entity), info->selector,
- ret);
+ uvc_trace(UVC_TRACE_CONTROL,
+ "GET_LEN failed on control %pUl/%u (%d).\n",
+ info->entity, info->selector, ret);
return;
}

if (info->size != le16_to_cpu(size)) {
- uvc_trace(UVC_TRACE_CONTROL, "Control " UVC_GUID_FORMAT
- "/%u size doesn't match user supplied "
- "value.\n", UVC_GUID_ARGS(info->entity),
- info->selector);
+ uvc_trace(UVC_TRACE_CONTROL,
+ "Control %pUl/%u size doesn't match user supplied value.\n",
+ info->entity, info->selector);
return;
}

ret = uvc_query_ctrl(dev, UVC_GET_INFO, ctrl->entity->id,
dev->intfnum, info->selector, &inf, 1);
if (ret < 0) {
- uvc_trace(UVC_TRACE_CONTROL, "GET_INFO failed on "
- "control " UVC_GUID_FORMAT "/%u (%d).\n",
- UVC_GUID_ARGS(info->entity), info->selector,
- ret);
+ uvc_trace(UVC_TRACE_CONTROL,
+ "GET_INFO failed on control %pUl/%u (%d).\n",
+ info->entity, info->selector, ret);
return;
}

flags = info->flags;
if (((flags & UVC_CONTROL_GET_CUR) && !(inf & (1 << 0))) ||
((flags & UVC_CONTROL_SET_CUR) && !(inf & (1 << 1)))) {
- uvc_trace(UVC_TRACE_CONTROL, "Control "
- UVC_GUID_FORMAT "/%u flags don't match "
- "supported operations.\n",
- UVC_GUID_ARGS(info->entity), info->selector);
+ uvc_trace(UVC_TRACE_CONTROL,
+ "Control %pUl/%u flags don't match supported operations.\n",
+ info->entity, info->selector);
return;
}
}

ctrl->info = info;
ctrl->data = kmalloc(ctrl->info->size * UVC_CTRL_NDATA, GFP_KERNEL);
- uvc_trace(UVC_TRACE_CONTROL, "Added control " UVC_GUID_FORMAT "/%u "
- "to device %s entity %u\n", UVC_GUID_ARGS(ctrl->info->entity),
- ctrl->info->selector, dev->udev->devpath, entity->id);
+ uvc_trace(UVC_TRACE_CONTROL,
+ "Added control %pUl/%u to device %s entity %u\n",
+ ctrl->info->entity, ctrl->info->selector,
+ dev->udev->devpath, entity->id);
}

/*
@@ -1293,17 +1289,16 @@ int uvc_ctrl_add_info(struct uvc_control_info *info)
continue;

if (ctrl->selector == info->selector) {
- uvc_trace(UVC_TRACE_CONTROL, "Control "
- UVC_GUID_FORMAT "/%u is already defined.\n",
- UVC_GUID_ARGS(info->entity), info->selector);
+ uvc_trace(UVC_TRACE_CONTROL,
+ "Control %pUl/%u is already defined.\n",
+ info->entity, info->selector);
ret = -EEXIST;
goto end;
}
if (ctrl->index == info->index) {
- uvc_trace(UVC_TRACE_CONTROL, "Control "
- UVC_GUID_FORMAT "/%u would overwrite index "
- "%d.\n", UVC_GUID_ARGS(info->entity),
- info->selector, info->index);
+ uvc_trace(UVC_TRACE_CONTROL,
+ "Control %pUl/%u would overwrite index %d.\n",
+ info->entity, info->selector, info->index);
ret = -EEXIST;
goto end;
}
@@ -1344,10 +1339,9 @@ int uvc_ctrl_add_mapping(struct uvc_control_mapping *mapping)
continue;

if (info->size * 8 < mapping->size + mapping->offset) {
- uvc_trace(UVC_TRACE_CONTROL, "Mapping '%s' would "
- "overflow control " UVC_GUID_FORMAT "/%u\n",
- mapping->name, UVC_GUID_ARGS(info->entity),
- info->selector);
+ uvc_trace(UVC_TRACE_CONTROL,
+ "Mapping '%s' would overflow control %pUl/%u\n",
+ mapping->name, info->entity, info->selector);
ret = -EOVERFLOW;
goto end;
}
@@ -1366,9 +1360,9 @@ int uvc_ctrl_add_mapping(struct uvc_control_mapping *mapping)

mapping->ctrl = info;
list_add_tail(&mapping->list, &info->mappings);
- uvc_trace(UVC_TRACE_CONTROL, "Adding mapping %s to control "
- UVC_GUID_FORMAT "/%u.\n", mapping->name,
- UVC_GUID_ARGS(info->entity), info->selector);
+ uvc_trace(UVC_TRACE_CONTROL,
+ "Adding mapping %s to control %pUl/%u.\n",
+ mapping->name, info->entity, info->selector);

ret = 0;
break;
diff --git a/drivers/media/video/uvc/uvc_driver.c b/drivers/media/video/uvc/uvc_driver.c
index 8756be5..21d5077 100644
--- a/drivers/media/video/uvc/uvc_driver.c
+++ b/drivers/media/video/uvc/uvc_driver.c
@@ -328,11 +328,10 @@ static int uvc_parse_format(struct uvc_device *dev,
sizeof format->name);
format->fcc = fmtdesc->fcc;
} else {
- uvc_printk(KERN_INFO, "Unknown video format "
- UVC_GUID_FORMAT "\n",
- UVC_GUID_ARGS(&buffer[5]));
- snprintf(format->name, sizeof format->name,
- UVC_GUID_FORMAT, UVC_GUID_ARGS(&buffer[5]));
+ uvc_printk(KERN_INFO, "Unknown video format %pUl\n",
+ &buffer[5]);
+ snprintf(format->name, sizeof format->name, "%pUl",
+ &buffer[5]);
format->fcc = 0;
}

diff --git a/drivers/media/video/uvc/uvcvideo.h b/drivers/media/video/uvc/uvcvideo.h
index e7958aa..9f4a437 100644
--- a/drivers/media/video/uvc/uvcvideo.h
+++ b/drivers/media/video/uvc/uvcvideo.h
@@ -555,16 +555,6 @@ extern unsigned int uvc_trace_param;
#define uvc_printk(level, msg...) \
printk(level "uvcvideo: " msg)

-#define UVC_GUID_FORMAT "%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-" \
- "%02x%02x%02x%02x%02x%02x"
-#define UVC_GUID_ARGS(guid) \
- (guid)[3], (guid)[2], (guid)[1], (guid)[0], \
- (guid)[5], (guid)[4], \
- (guid)[7], (guid)[6], \
- (guid)[8], (guid)[9], \
- (guid)[10], (guid)[11], (guid)[12], \
- (guid)[13], (guid)[14], (guid)[15]
-
/* --------------------------------------------------------------------------
* Internal functions.
*/



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