If the firmware load is slow and cancelled, we may call fw_load_abort() twice and promptly oops on the second with a NULL dereference.
Signed-off-by: Chris Wilson <[email protected]> Cc: Ming Lei <[email protected]> Cc: "Luis R. Rodriguez" <[email protected]> Cc: Greg Kroah-Hartman <[email protected]> --- drivers/base/firmware_class.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/base/firmware_class.c b/drivers/base/firmware_class.c index 4497d263209f..d03e21c1d2f3 100644 --- a/drivers/base/firmware_class.c +++ b/drivers/base/firmware_class.c @@ -557,6 +557,9 @@ static void fw_load_abort(struct firmware_priv *fw_priv) { struct firmware_buf *buf = fw_priv->buf; + if (!buf) + return; + __fw_load_abort(buf); /* avoid user action after loading abort */ -- 2.11.0
