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[PULL,4/8] qcow2: Correct comment for realloc_refcount_block()

Message ID 1395234727-6841-5-git-send-email-kwolf@redhat.com
State New
Headers show

Commit Message

Kevin Wolf March 19, 2014, 1:12 p.m. UTC 
From: Max Reitz <mreitz@redhat.com>

Contrary to the comment describing this function's behavior, it does not
return 0 on success, but rather the offset of the newly allocated
cluster. This patch adjusts the comment accordingly to reflect the
actual behavior.

Signed-off-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
---
 block/qcow2-refcount.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox

Patch

diff --git a/block/qcow2-refcount.c b/block/qcow2-refcount.c
index 6151148..3f2ed08 100644
--- a/block/qcow2-refcount.c
+++ b/block/qcow2-refcount.c
@@ -1383,7 +1383,7 @@  static int write_reftable_entry(BlockDriverState *bs, int rt_index)
  * does _not_ decrement the reference count for the currently occupied cluster.
  *
  * This function prints an informative message to stderr on error (and returns
- * -errno); on success, 0 is returned.
+ * -errno); on success, the offset of the newly allocated cluster is returned.
  */
 static int64_t realloc_refcount_block(BlockDriverState *bs, int reftable_index,
                                       uint64_t offset)