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authorJens Axboe <axboe@kernel.dk>2022-07-24 18:41:03 -0600
committerJens Axboe <axboe@kernel.dk>2022-07-24 18:41:03 -0600
commit4effe18fc0da27ae5d51a702841e87fa13b8a32d (patch)
tree468f353a3713c93b27e7b2c262efd747e66ff199 /drivers/nvme/host/pci.c
parentMerge branch 'io_uring-zerocopy-send' of git://git.kernel.org/pub/scm/linux/k... (diff)
parentio_uring: ensure REQ_F_ISREG is set async offload (diff)
downloadlinux-4effe18fc0da27ae5d51a702841e87fa13b8a32d.tar.gz
linux-4effe18fc0da27ae5d51a702841e87fa13b8a32d.zip
Merge branch 'for-5.20/io_uring' into for-5.20/io_uring-zerocopy-send
* for-5.20/io_uring: (716 commits) io_uring: ensure REQ_F_ISREG is set async offload net: fix compat pointer in get_compat_msghdr() io_uring: Don't require reinitable percpu_ref io_uring: fix types in io_recvmsg_multishot_overflow io_uring: Use atomic_long_try_cmpxchg in __io_account_mem io_uring: support multishot in recvmsg net: copy from user before calling __get_compat_msghdr net: copy from user before calling __copy_msghdr io_uring: support 0 length iov in buffer select in compat io_uring: fix multishot ending when not polled io_uring: add netmsg cache io_uring: impose max limit on apoll cache io_uring: add abstraction around apoll cache io_uring: move apoll cache to poll.c io_uring: consolidate hash_locked io-wq handling io_uring: clear REQ_F_HASH_LOCKED on hash removal io_uring: don't race double poll setting REQ_F_ASYNC_DATA io_uring: don't miss setting REQ_F_DOUBLE_POLL io_uring: disable multishot recvmsg io_uring: only trace one of complete or overflow ... Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/nvme/host/pci.c')
-rw-r--r--drivers/nvme/host/pci.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c
index 193b44755662..58c72d55769a 100644
--- a/drivers/nvme/host/pci.c
+++ b/drivers/nvme/host/pci.c
@@ -2690,8 +2690,13 @@ static void nvme_dev_disable(struct nvme_dev *dev, bool shutdown)
struct pci_dev *pdev = to_pci_dev(dev->dev);
mutex_lock(&dev->shutdown_lock);
- if (pci_device_is_present(pdev) && pci_is_enabled(pdev)) {
- u32 csts = readl(dev->bar + NVME_REG_CSTS);
+ if (pci_is_enabled(pdev)) {
+ u32 csts;
+
+ if (pci_device_is_present(pdev))
+ csts = readl(dev->bar + NVME_REG_CSTS);
+ else
+ csts = ~0;
if (dev->ctrl.state == NVME_CTRL_LIVE ||
dev->ctrl.state == NVME_CTRL_RESETTING) {