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Use stack return macros throughout.

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This commit is contained in:
Alasdair Kergon
2008-01-30 13:19:47 +00:00
parent 6726c5f958
commit 6af3f4f4cf
59 changed files with 789 additions and 1547 deletions
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42
lib/device/dev-io.c
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@@ -170,10 +170,8 @@ static int _aligned_io(struct device_area *where, void *buffer,
struct device_area widened;
if (!(where->dev->flags & DEV_REGULAR) &&
!_get_block_size(where->dev, &block_size)) {
stack;
return 0;
}
!_get_block_size(where->dev, &block_size))
return_0;
if (!block_size)
block_size = lvm_getpagesize();
@@ -200,10 +198,8 @@ static int _aligned_io(struct device_area *where, void *buffer,
/* channel the io through the bounce buffer */
if (!_io(&widened, bounce, 0)) {
if (!should_write) {
stack;
return 0;
}
if (!should_write)
return_0;
/* FIXME pre-extend the file */
memset(bounce, '\n', widened.size);
}
@@ -354,10 +350,8 @@ int dev_open_flags(struct device *dev, int flags, int direct, int quiet)
if (dev->flags & DEV_REGULAR)
name = dev_name(dev);
else if (!(name = dev_name_confirmed(dev, quiet))) {
stack;
return 0;
}
else if (!(name = dev_name_confirmed(dev, quiet)))
return_0;
if (!(dev->flags & DEV_REGULAR)) {
if (stat(name, &buf) < 0) {
@@ -557,10 +551,8 @@ int dev_read(struct device *dev, uint64_t offset, size_t len, void *buffer)
{
struct device_area where;
if (!dev->open_count) {
stack;
return 0;
}
if (!dev->open_count)
return_0;
where.dev = dev;
where.start = offset;
@@ -607,10 +599,8 @@ int dev_append(struct device *dev, size_t len, void *buffer)
{
int r;
if (!dev->open_count) {
stack;
return 0;
}
if (!dev->open_count)
return_0;
r = dev_write(dev, dev->end, len, buffer);
dev->end += (uint64_t) len;
@@ -625,10 +615,8 @@ int dev_write(struct device *dev, uint64_t offset, size_t len, void *buffer)
{
struct device_area where;
if (!dev->open_count) {
stack;
return 0;
}
if (!dev->open_count)
return_0;
where.dev = dev;
where.start = offset;
@@ -644,10 +632,8 @@ int dev_set(struct device *dev, uint64_t offset, size_t len, int value)
size_t s;
char buffer[4096] __attribute((aligned(8)));
if (!dev_open(dev)) {
stack;
return 0;
}
if (!dev_open(dev))
return_0;
if ((offset % SECTOR_SIZE) || (len % SECTOR_SIZE))
log_debug("Wiping %s at %" PRIu64 " length %" PRIsize_t,