Mesa (master): util: remove gotos in u_upload_mgr.c

[Brian Paul]

Module: Mesa
Branch: master
Commit: 50b0069fc18f9d4d3c4469897b379df55eece547
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=50b0069fc18f9d4d3c4469897b379df55eece547

Author: Brian Paul <brianp at vmware.com>
Date:   Sun Oct 23 10:14:27 2011 -0600

util: remove gotos in u_upload_mgr.c

We can trivially remove the gotos in two places in this code and make
it a bit more readable.

Reviewed-by: José Fonseca <jfonseca at vmware.com>

---

 src/gallium/auxiliary/util/u_upload_mgr.c |   24 ++++++++----------------
 1 files changed, 8 insertions(+), 16 deletions(-)

diff --git a/src/gallium/auxiliary/util/u_upload_mgr.c b/src/gallium/auxiliary/util/u_upload_mgr.c
index 71fe53e..9bcc1bb 100644
--- a/src/gallium/auxiliary/util/u_upload_mgr.c
+++ b/src/gallium/auxiliary/util/u_upload_mgr.c
@@ -131,8 +131,9 @@ u_upload_alloc_buffer( struct u_upload_mgr *upload,
                                         upload->bind,
                                         PIPE_USAGE_STREAM,
                                         size );
-   if (upload->buffer == NULL) 
-      goto fail;
+   if (upload->buffer == NULL) {
+      return PIPE_ERROR_OUT_OF_MEMORY;
+   }
 
    /* Map the new buffer. */
    upload->map = pipe_buffer_map_range(upload->pipe, upload->buffer,
@@ -144,13 +145,7 @@ u_upload_alloc_buffer( struct u_upload_mgr *upload,
    upload->size = size;
 
    upload->offset = 0;
-   return 0;
-
-fail:
-   if (upload->buffer)
-      pipe_resource_reference( &upload->buffer, NULL );
-
-   return PIPE_ERROR_OUT_OF_MEMORY;
+   return PIPE_OK;
 }
 
 enum pipe_error u_upload_alloc( struct u_upload_mgr *upload,
@@ -170,7 +165,7 @@ enum pipe_error u_upload_alloc( struct u_upload_mgr *upload,
    if (MAX2(upload->offset, alloc_offset) + alloc_size > upload->size) {
       enum pipe_error ret = u_upload_alloc_buffer(upload,
                                                   alloc_offset + alloc_size);
-      if (ret)
+      if (ret != PIPE_OK)
          return ret;
 
       *flushed = TRUE;
@@ -214,7 +209,7 @@ enum pipe_error u_upload_data( struct u_upload_mgr *upload,
    enum pipe_error ret = u_upload_alloc(upload, min_out_offset, size,
                                         out_offset, outbuf, flushed,
                                         (void**)&ptr);
-   if (ret)
+   if (ret != PIPE_OK)
       return ret;
 
    memcpy(ptr, data, size);
@@ -247,8 +242,7 @@ enum pipe_error u_upload_buffer( struct u_upload_mgr *upload,
                                              &transfer);
 
    if (map == NULL) {
-      ret = PIPE_ERROR_OUT_OF_MEMORY;
-      goto done;
+      return PIPE_ERROR_OUT_OF_MEMORY;
    }
 
    if (0)
@@ -261,9 +255,7 @@ enum pipe_error u_upload_buffer( struct u_upload_mgr *upload,
                         out_offset,
                         outbuf, flushed );
 
-done:
-   if (map)
-      pipe_buffer_unmap( upload->pipe, transfer );
+   pipe_buffer_unmap( upload->pipe, transfer );
 
    return ret;
 }