[v3,05/16] block/file-posix: Small fixes in raw_create()
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Message ID 20170526165518.7580-6-mreitz@redhat.com
State New
Headers show

Commit Message

Max Reitz May 26, 2017, 4:55 p.m. UTC
Variables should be declared at the start of a block, and if a certain
parameter value is not supported it may be better to return -ENOTSUP
instead of -EINVAL.

Signed-off-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
---
 block/file-posix.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

Patch
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diff --git a/block/file-posix.c b/block/file-posix.c
index 7cc6bf6..f5a662e 100644
--- a/block/file-posix.c
+++ b/block/file-posix.c
@@ -1915,6 +1915,8 @@  static int raw_create(const char *filename, QemuOpts *opts, Error **errp)
 #endif
     case PREALLOC_MODE_FULL:
     {
+        int64_t num = 0, left = total_size;
+
         /*
          * Knowing the final size from the beginning could allow the file
          * system driver to do less allocations and possibly avoid
@@ -1926,7 +1928,6 @@  static int raw_create(const char *filename, QemuOpts *opts, Error **errp)
             goto out_close;
         }
 
-        int64_t num = 0, left = total_size;
         buf = g_malloc0(65536);
 
         while (left > 0) {
@@ -1958,7 +1959,7 @@  static int raw_create(const char *filename, QemuOpts *opts, Error **errp)
         }
         break;
     default:
-        result = -EINVAL;
+        result = -ENOTSUP;
         error_setg(errp, "Unsupported preallocation mode: %s",
                    PreallocMode_lookup[prealloc]);
         break;