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[04/19] nbd: with -Werror=maybe-uninitialized false-positive

Message ID 20240328102052.3499331-5-marcandre.lureau@redhat.com (mailing list archive)
State New, archived
Headers show
Series -Werror=maybe-uninitialized fixes | expand

Commit Message

Marc-André Lureau March 28, 2024, 10:20 a.m. UTC
From: Marc-André Lureau <marcandre.lureau@redhat.com>

../nbd/client-connection.c:419:8: error: ‘wait_co’ may be used uninitialized [-Werror=maybe-uninitialized]

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
---
 nbd/client-connection.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Comments

Eric Blake March 28, 2024, 2:30 p.m. UTC | #1
On Thu, Mar 28, 2024 at 02:20:37PM +0400, marcandre.lureau@redhat.com wrote:
> From: Marc-André Lureau <marcandre.lureau@redhat.com>
> 
> ../nbd/client-connection.c:419:8: error: ‘wait_co’ may be used uninitialized [-Werror=maybe-uninitialized]
> 
> Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
> ---
>  nbd/client-connection.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

Reviewed-by: Eric Blake <eblake@redhat.com>

> 
> diff --git a/nbd/client-connection.c b/nbd/client-connection.c
> index f9da67c87e..b11e266807 100644
> --- a/nbd/client-connection.c
> +++ b/nbd/client-connection.c
> @@ -410,7 +410,7 @@ nbd_co_establish_connection(NBDClientConnection *conn, NBDExportInfo *info,
>   */
>  void nbd_co_establish_connection_cancel(NBDClientConnection *conn)
>  {
> -    Coroutine *wait_co;
> +    Coroutine *wait_co = NULL;
>  
>      WITH_QEMU_LOCK_GUARD(&conn->mutex) {
>          wait_co = g_steal_pointer(&conn->wait_co);
> -- 
> 2.44.0
>
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Patch

diff --git a/nbd/client-connection.c b/nbd/client-connection.c
index f9da67c87e..b11e266807 100644
--- a/nbd/client-connection.c
+++ b/nbd/client-connection.c
@@ -410,7 +410,7 @@  nbd_co_establish_connection(NBDClientConnection *conn, NBDExportInfo *info,
  */
 void nbd_co_establish_connection_cancel(NBDClientConnection *conn)
 {
-    Coroutine *wait_co;
+    Coroutine *wait_co = NULL;
 
     WITH_QEMU_LOCK_GUARD(&conn->mutex) {
         wait_co = g_steal_pointer(&conn->wait_co);