OpenE2K/qemu-e2k
13
4
Fork 0
Code Issues 4 Pull Requests Projects 2 Releases Activity

savevm: make qemu_fflush() return an error code

Browse Source 
Adjust all the callers.  We moved the set of last_error from inside
qemu_fflush() to all the callers.

Signed-off-by: Juan Quintela <quintela@redhat.com>

Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Juan Quintela 2012-08-29 19:08:59 +02:00
parent e5ae97cee4
commit 7311bea33f
1 changed files with 23 additions and 16 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

39
savevm.c
View File

@ -459,23 +459,22 @@ static void qemu_file_set_if_error(QEMUFile *f, int ret)
/** Flushes QEMUFile buffer
*
* In case of error, last_error is set.
*/
static void qemu_fflush(QEMUFile *f)
static int qemu_fflush(QEMUFile *f)
{
int ret = 0;
if (!f->put_buffer)
return;
return 0;
if (f->is_write && f->buf_index > 0) {
int len;
len = f->put_buffer(f->opaque, f->buf, f->buf_offset, f->buf_index);
if (len > 0)
ret = f->put_buffer(f->opaque, f->buf, f->buf_offset, f->buf_index);
if (ret >= 0) {
f->buf_offset += f->buf_index;
else
qemu_file_set_error(f, -EINVAL);
}
f->buf_index = 0;
}
return ret;
}
static void qemu_fill_buffer(QEMUFile *f)
@ -533,9 +532,13 @@ static int qemu_fclose_internal(QEMUFile *f)
*/
int qemu_fclose(QEMUFile *f)
{
int ret;
qemu_fflush(f);
ret = qemu_fclose_internal(f);
int ret, ret2;
ret = qemu_fflush(f);
ret2 = qemu_fclose_internal(f);
if (ret >= 0) {
ret = ret2;
}
/* If any error was spotted before closing, we should report it
* instead of the close() return value.
*/
@ -570,8 +573,10 @@ void qemu_put_buffer(QEMUFile *f, const uint8_t *buf, int size)
f->buf_index += l;
buf += l;
size -= l;
if (f->buf_index >= IO_BUF_SIZE)
qemu_fflush(f);
if (f->buf_index >= IO_BUF_SIZE) {
int ret = qemu_fflush(f);
qemu_file_set_if_error(f, ret);
}
}
}
@ -585,8 +590,10 @@ void qemu_put_byte(QEMUFile *f, int v)
f->buf[f->buf_index++] = v;
f->is_write = 1;
if (f->buf_index >= IO_BUF_SIZE)
qemu_fflush(f);
if (f->buf_index >= IO_BUF_SIZE) {
int ret = qemu_fflush(f);
qemu_file_set_if_error(f, ret);
}
}
static void qemu_file_skip(QEMUFile *f, int size)