From: Christoph Hellwig <hch@lst.de>
Date: Wed, 19 May 2021 07:09:56 +0000 (+0200)
Subject: nvme: add a sparse annotation to nvme_ns_head_ctrl_ioctl
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=85b790a7ae0518dd745bbb97d532b83840d2db04;p=linux.git

nvme: add a sparse annotation to nvme_ns_head_ctrl_ioctl

Add the __releases annotation to tell sparse that nvme_ns_head_ctrl_ioctl
is expected to unlock head->srcu.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Keith Busch <kbusch@kernel.org>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
---

diff --git a/drivers/nvme/host/ioctl.c b/drivers/nvme/host/ioctl.c
index 2c6969ffe85cb..2e7780ea0354f 100644
--- a/drivers/nvme/host/ioctl.c
+++ b/drivers/nvme/host/ioctl.c
@@ -372,6 +372,7 @@ long nvme_ns_chr_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 #ifdef CONFIG_NVME_MULTIPATH
 static int nvme_ns_head_ctrl_ioctl(struct nvme_ns *ns, unsigned int cmd,
 		void __user *argp, struct nvme_ns_head *head, int srcu_idx)
+	__releases(&head->srcu)
 {
 	struct nvme_ctrl *ctrl = ns->ctrl;
 	int ret;