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OpenCloudOS-Kernel
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greybus: manifest: add interface-device prefix to messages 

Use dev_err and friends so that we can tell which interface (and module)
a manifest-parsing error messages was for.

Testing Done:
Tested on DB3.5 with the generic bridge firmware on APB2.

Signed-off-by: Johan Hovold <johan@hovoldconsulting.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
This commit is contained in:
Johan Hovold 2016-02-11 13:52:46 +01:00 committed by Greg Kroah-Hartman
parent d5a265648a
commit a0b5542df2
1 changed files with 21 additions and 20 deletions
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41
drivers/staging/greybus/manifest.c
View File

@ -7,8 +7,6 @@
* Released under the GPLv2 only.
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include "greybus.h"
static const char *get_descriptor_type_string(u8 type)
@ -107,14 +105,15 @@ static int identify_descriptor(struct gb_interface *intf,
size_t expected_size;
if (size < sizeof(*desc_header)) {
pr_err("manifest too small (%zu < %zu)\n",
dev_err(&intf->dev, "manifest too small (%zu < %zu)\n",
size, sizeof(*desc_header));
return -EINVAL; /* Must at least have header */
}
desc_size = le16_to_cpu(desc_header->size);
if (desc_size > size) {
pr_err("descriptor too big (%zu > %zu)\n", desc_size, size);
dev_err(&intf->dev, "descriptor too big (%zu > %zu)\n",
desc_size, size);
return -EINVAL;
}
@ -140,22 +139,23 @@ static int identify_descriptor(struct gb_interface *intf,
break;
case GREYBUS_TYPE_INVALID:
default:
pr_err("invalid descriptor type (%u)\n", desc_header->type);
dev_err(&intf->dev, "invalid descriptor type (%u)\n",
desc_header->type);
return -EINVAL;
}
if (desc_size < expected_size) {
pr_err("%s descriptor too small (%zu < %zu)\n",
get_descriptor_type_string(desc_header->type),
desc_size, expected_size);
dev_err(&intf->dev, "%s descriptor too small (%zu < %zu)\n",
get_descriptor_type_string(desc_header->type),
desc_size, expected_size);
return -EINVAL;
}
/* Descriptor bigger than what we expect */
if (desc_size > expected_size) {
pr_warn("%s descriptor size mismatch (want %zu got %zu)\n",
get_descriptor_type_string(desc_header->type),
expected_size, desc_size);
dev_warn(&intf->dev, "%s descriptor size mismatch (want %zu got %zu)\n",
get_descriptor_type_string(desc_header->type),
expected_size, desc_size);
}
descriptor = kzalloc(sizeof(*descriptor), GFP_KERNEL);
@ -454,7 +454,8 @@ bool gb_manifest_parse(struct gb_interface *intf, void *data, size_t size)
/* we have to have at _least_ the manifest header */
if (size < sizeof(*header)) {
pr_err("short manifest (%zu < %zu)\n", size, sizeof(*header));
dev_err(&intf->dev, "short manifest (%zu < %zu)\n",
size, sizeof(*header));
return false;
}
@ -463,16 +464,16 @@ bool gb_manifest_parse(struct gb_interface *intf, void *data, size_t size)
header = &manifest->header;
manifest_size = le16_to_cpu(header->size);
if (manifest_size != size) {
pr_err("manifest size mismatch (%zu != %u)\n",
size, manifest_size);
dev_err(&intf->dev, "manifest size mismatch (%zu != %u)\n",
size, manifest_size);
return false;
}
/* Validate major/minor number */
if (header->version_major > GREYBUS_VERSION_MAJOR) {
pr_err("manifest version too new (%u.%u > %u.%u)\n",
header->version_major, header->version_minor,
GREYBUS_VERSION_MAJOR, GREYBUS_VERSION_MINOR);
dev_err(&intf->dev, "manifest version too new (%u.%u > %u.%u)\n",
header->version_major, header->version_minor,
GREYBUS_VERSION_MAJOR, GREYBUS_VERSION_MINOR);
return false;
}
@ -498,8 +499,8 @@ bool gb_manifest_parse(struct gb_interface *intf, void *data, size_t size)
interface_desc = descriptor;
}
if (found != 1) {
pr_err("manifest must have 1 interface descriptor (%u found)\n",
found);
dev_err(&intf->dev, "manifest must have 1 interface descriptor (%u found)\n",
found);
result = false;
goto out;
}
@ -512,7 +513,7 @@ bool gb_manifest_parse(struct gb_interface *intf, void *data, size_t size)
* don't know what newer format manifests might leave.
*/
if (result && !list_empty(&intf->manifest_descs))
pr_info("excess descriptors in interface manifest\n");
dev_info(&intf->dev, "excess descriptors in interface manifest\n");
out:
release_manifest_descriptors(intf);