From: Philippe Mathieu-Daudé <phi...@linaro.org>
Expose the method docstring in the header, and mention
returned value must be free'd by caller.
Reported-by: Fabiano Rosas <faro...@suse.de>
Signed-off-by: Philippe Mathieu-Daudé <phi...@linaro.org>
Message-ID: <20241111170333.43833-2-phi...@linaro.org>
Signed-off-by: Kevin Wolf <kw...@redhat.com>
---
include/system/block-backend-io.h | 7 +++++++
block/block-backend.c | 12 ++++++++----
2 files changed, 15 insertions(+), 4 deletions(-)
diff --git a/include/system/block-backend-io.h
b/include/system/block-backend-io.h
index d174275a5c..ba8dfcc7d0 100644
--- a/include/system/block-backend-io.h
+++ b/include/system/block-backend-io.h
@@ -32,6 +32,13 @@ void blk_set_allow_aio_context_change(BlockBackend *blk,
bool allow);
void blk_set_disable_request_queuing(BlockBackend *blk, bool disable);
bool blk_iostatus_is_enabled(const BlockBackend *blk);
+/*
+ * Return the qdev ID, or if no ID is assigned the QOM path,
+ * of the block device attached to the BlockBackend.
+ *
+ * The caller is responsible for releasing the value returned
+ * with g_free() after use.
+ */
char *blk_get_attached_dev_id(BlockBackend *blk);
BlockAIOCB *blk_aio_pwrite_zeroes(BlockBackend *blk, int64_t offset,
diff --git a/block/block-backend.c b/block/block-backend.c
index c93a7525ad..789fc6d4ea 100644
--- a/block/block-backend.c
+++ b/block/block-backend.c
@@ -1019,6 +1019,10 @@ DeviceState *blk_get_attached_dev(BlockBackend *blk)
return blk->dev;
}
+/*
+ * The caller is responsible for releasing the value returned
+ * with g_free() after use.
+ */
static char *blk_get_attached_dev_id_or_path(BlockBackend *blk, bool want_id)
{
DeviceState *dev = blk->dev;
@@ -1033,15 +1037,15 @@ static char
*blk_get_attached_dev_id_or_path(BlockBackend *blk, bool want_id)
return object_get_canonical_path(OBJECT(dev)) ?: g_strdup("");
}
-/*
- * Return the qdev ID, or if no ID is assigned the QOM path, of the block
- * device attached to the BlockBackend.
- */
char *blk_get_attached_dev_id(BlockBackend *blk)
{
return blk_get_attached_dev_id_or_path(blk, true);
}
+/*
+ * The caller is responsible for releasing the value returned
+ * with g_free() after use.
+ */
static char *blk_get_attached_dev_path(BlockBackend *blk)
{
return blk_get_attached_dev_id_or_path(blk, false);
--
2.48.1
