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nvme: don't reference NS after unlocking in nvme_ns_head_ctrl_ioctl()

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In nvme_ns_head_ctrl_ioctl(), once we drop the SRCU read lock we should
not reference the NS to lookup the controller, so use the available
controller pointer directly.

Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: John Garry <john.g.garry@oracle.com>
Signed-off-by: Keith Busch <kbusch@kernel.org>
This commit is contained in:
John Garry 2026-07-06 12:54:02 +00:00 committed by Keith Busch
parent 627e8bb91a
commit 77c57daf98
1 changed files with 1 additions and 1 deletions
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2
drivers/nvme/host/ioctl.c
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@ -699,7 +699,7 @@ static int nvme_ns_head_ctrl_ioctl(struct nvme_ns *ns, unsigned int cmd,
nvme_get_ctrl(ns->ctrl);
srcu_read_unlock(&head->srcu, srcu_idx);
ret = nvme_ctrl_ioctl(ns->ctrl, cmd, argp, open_for_write);
ret = nvme_ctrl_ioctl(ctrl, cmd, argp, open_for_write);
nvme_put_ctrl(ctrl);
return ret;