Re: [PATCH v4 05/23] migration: simplify do_compress_ram_page

2022-01-11 Thread Dr. David Alan Gilbert
* Juan Quintela (quint...@redhat.com) wrote:
> The goto is not needed at all.

Another dupe,


Reviewed-by: Dr. David Alan Gilbert 

> Signed-off-by: Juan Quintela 
> ---
>  migration/ram.c | 11 +++
>  1 file changed, 3 insertions(+), 8 deletions(-)
> 
> diff --git a/migration/ram.c b/migration/ram.c
> index fa49d22e69..422c6bce28 100644
> --- a/migration/ram.c
> +++ b/migration/ram.c
> @@ -1341,12 +1341,11 @@ static bool do_compress_ram_page(QEMUFile *f, 
> z_stream *stream, RAMBlock *block,
>  {
>  RAMState *rs = ram_state;
>  uint8_t *p = block->host + offset;
> -bool zero_page = false;
>  int ret;
>  
>  if (save_zero_page_to_file(rs, f, block, offset)) {
> -zero_page = true;
> -goto exit;
> +ram_release_page(block->idstr, offset);
> +return true;
>  }
>  
>  save_page_header(rs, f, block, offset | RAM_SAVE_FLAG_COMPRESS_PAGE);
> @@ -1361,12 +1360,8 @@ static bool do_compress_ram_page(QEMUFile *f, z_stream 
> *stream, RAMBlock *block,
>  if (ret < 0) {
>  qemu_file_set_error(migrate_get_current()->to_dst_file, ret);
>  error_report("compressed data failed!");
> -return false;
>  }
> -
> -exit:
> -ram_release_page(block->idstr, offset);
> -return zero_page;
> +return false;
>  }
>  
>  static void
> -- 
> 2.34.1
> 
-- 
Dr. David Alan Gilbert / dgilb...@redhat.com / Manchester, UK




[PATCH v4 05/23] migration: simplify do_compress_ram_page

2022-01-11 Thread Juan Quintela
The goto is not needed at all.

Signed-off-by: Juan Quintela 
---
 migration/ram.c | 11 +++
 1 file changed, 3 insertions(+), 8 deletions(-)

diff --git a/migration/ram.c b/migration/ram.c
index fa49d22e69..422c6bce28 100644
--- a/migration/ram.c
+++ b/migration/ram.c
@@ -1341,12 +1341,11 @@ static bool do_compress_ram_page(QEMUFile *f, z_stream 
*stream, RAMBlock *block,
 {
 RAMState *rs = ram_state;
 uint8_t *p = block->host + offset;
-bool zero_page = false;
 int ret;
 
 if (save_zero_page_to_file(rs, f, block, offset)) {
-zero_page = true;
-goto exit;
+ram_release_page(block->idstr, offset);
+return true;
 }
 
 save_page_header(rs, f, block, offset | RAM_SAVE_FLAG_COMPRESS_PAGE);
@@ -1361,12 +1360,8 @@ static bool do_compress_ram_page(QEMUFile *f, z_stream 
*stream, RAMBlock *block,
 if (ret < 0) {
 qemu_file_set_error(migrate_get_current()->to_dst_file, ret);
 error_report("compressed data failed!");
-return false;
 }
-
-exit:
-ram_release_page(block->idstr, offset);
-return zero_page;
+return false;
 }
 
 static void
-- 
2.34.1