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qemu-patch-raspberry4
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error: Don't abuse qemu_error() for non-error in qbus_find() 

qbus_find() adds an informational line to error messages, and prints
both lines with one qemu_error().  Use error_printf() for the
informational line instead.

While there, simplify: instead of printing buffers filled by
qbus_list_bus() and qbus_list_dev() in one go, make them print it.
stable-0.13
Markus Armbruster 2010-02-18 18:55:59 +01:00
parent 8a9662ca67
commit 53db16b5b0
1 changed files with 17 additions and 20 deletions
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37
hw/qdev.c
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@ -456,35 +456,33 @@ static DeviceState *qdev_find_recursive(BusState *bus, const char *id)
return NULL;
}
static void qbus_list_bus(DeviceState *dev, char *dest, int len)
static void qbus_list_bus(DeviceState *dev)
{
BusState *child;
const char *sep = " ";
int pos = 0;
pos += snprintf(dest+pos, len-pos,"child busses at \"%s\":",
dev->id ? dev->id : dev->info->name);
error_printf("child busses at \"%s\":",
dev->id ? dev->id : dev->info->name);
QLIST_FOREACH(child, &dev->child_bus, sibling) {
pos += snprintf(dest+pos, len-pos, "%s\"%s\"", sep, child->name);
error_printf("%s\"%s\"", sep, child->name);
sep = ", ";
}
error_printf("\n");
}
static void qbus_list_dev(BusState *bus, char *dest, int len)
static void qbus_list_dev(BusState *bus)
{
DeviceState *dev;
const char *sep = " ";
int pos = 0;
pos += snprintf(dest+pos, len-pos, "devices at \"%s\":",
bus->name);
error_printf("devices at \"%s\":", bus->name);
QLIST_FOREACH(dev, &bus->children, sibling) {
pos += snprintf(dest+pos, len-pos, "%s\"%s\"",
sep, dev->info->name);
error_printf("%s\"%s\"", sep, dev->info->name);
if (dev->id)
pos += snprintf(dest+pos, len-pos, "/\"%s\"", dev->id);
error_printf("/\"%s\"", dev->id);
sep = ", ";
}
error_printf("\n");
}
static BusState *qbus_find_bus(DeviceState *dev, char *elem)
@ -531,7 +529,7 @@ static BusState *qbus_find(const char *path)
{
DeviceState *dev;
BusState *bus;
char elem[128], msg[256];
char elem[128];
int pos, len;
/* find start element */
@ -565,8 +563,8 @@ static BusState *qbus_find(const char *path)
pos += len;
dev = qbus_find_dev(bus, elem);
if (!dev) {
qbus_list_dev(bus, msg, sizeof(msg));
qemu_error("device \"%s\" not found\n%s\n", elem, msg);
qemu_error("device \"%s\" not found\n", elem);
qbus_list_dev(bus);
return NULL;
}
if (path[pos] == '\0') {
@ -579,9 +577,8 @@ static BusState *qbus_find(const char *path)
case 1:
return QLIST_FIRST(&dev->child_bus);
default:
qbus_list_bus(dev, msg, sizeof(msg));
qemu_error("device has multiple child busses (%s)\n%s\n",
path, msg);
qemu_error("device has multiple child busses (%s)\n", path);
qbus_list_bus(dev);
return NULL;
}
}
@ -594,8 +591,8 @@ static BusState *qbus_find(const char *path)
pos += len;
bus = qbus_find_bus(dev, elem);
if (!bus) {
qbus_list_bus(dev, msg, sizeof(msg));
qemu_error("child bus \"%s\" not found\n%s\n", elem, msg);
qemu_error("child bus \"%s\" not found\n", elem);
qbus_list_bus(dev);
return NULL;
}
}