swap: yield device immediately

Otherwise we can cause spurious EBUSY issues when trying to mount the
rootfs later on.

Link: https://bugzilla.kernel.org/show_bug.cgi?id=218845
Reported-by: Petri Kaukasoina <petri.kaukasoina@tuni.fi>
Signed-off-by: Christian Brauner <brauner@kernel.org>

diff --git a/kernel/power/swap.c b/kernel/power/swap.c
index 5bc04bfe2db1d355a3ffc0416f51f0ccbbc6f3ad..c6f24d17866d838c711575c153b46313a7c09d21 100644 (file)
--- a/kernel/power/swap.c
+++ b/kernel/power/swap.c
@@ -1600,7 +1600,7 @@ int swsusp_check(bool exclusive)
 
 put:
                if (error)
-                       fput(hib_resume_bdev_file);
+                       bdev_fput(hib_resume_bdev_file);
                else
                        pr_debug("Image signature found, resuming\n");
        } else {