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authorLinus Torvalds <torvalds@linux-foundation.org>2023-05-20 18:48:04 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2023-05-20 18:48:04 +0300
commit98be58a6e9310fbfa757d438b0b51f857ce17ee4 (patch)
treef10eae3363d73503d76ac658515e1dca85a21639 /drivers/nvme/host/core.c
parentd635f6cc934bcd467c5d67148ece74632fd96abf (diff)
parente3afec91aad23c52dfe426c7d7128e4839c3eed8 (diff)
downloadlinux-98be58a6e9310fbfa757d438b0b51f857ce17ee4.tar.xz
Merge tag 'block-6.4-2023-05-20' of git://git.kernel.dk/linux
Pull block fixes from Jens Axboe: - NVMe pull request via Keith: - More device quirks (Sagi, Hristo, Adrian, Daniel) - Controller delete race (Maurizo) - Multipath cleanup fix (Christoph) - Deny writeable mmap mapping on a readonly block device (Loic) - Kill unused define that got introduced by accident (Christoph) - Error handling fix for s390 dasd (Stefan) - ublk locking fix (Ming) * tag 'block-6.4-2023-05-20' of git://git.kernel.dk/linux: block: remove NFL4_UFLG_MASK block: Deny writable memory mapping if block is read-only s390/dasd: fix command reject error on ESE devices nvme-pci: Add quirk for Teamgroup MP33 SSD ublk: fix AB-BA lockdep warning nvme: do not let the user delete a ctrl before a complete initialization nvme-multipath: don't call blk_mark_disk_dead in nvme_mpath_remove_disk nvme-pci: clamp max_hw_sectors based on DMA optimized limitation nvme-pci: add quirk for missing secondary temperature thresholds nvme-pci: add NVME_QUIRK_BOGUS_NID for HS-SSD-FUTURE 2048G
Diffstat (limited to 'drivers/nvme/host/core.c')
-rw-r--r--drivers/nvme/host/core.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index ccb6eb1282f8..1f0cbb77b249 100644
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -3585,6 +3585,9 @@ static ssize_t nvme_sysfs_delete(struct device *dev,
{
struct nvme_ctrl *ctrl = dev_get_drvdata(dev);
+ if (!test_bit(NVME_CTRL_STARTED_ONCE, &ctrl->flags))
+ return -EBUSY;
+
if (device_remove_file_self(dev, attr))
nvme_delete_ctrl_sync(ctrl);
return count;
@@ -5045,7 +5048,7 @@ void nvme_start_ctrl(struct nvme_ctrl *ctrl)
* that were missed. We identify persistent discovery controllers by
* checking that they started once before, hence are reconnecting back.
*/
- if (test_and_set_bit(NVME_CTRL_STARTED_ONCE, &ctrl->flags) &&
+ if (test_bit(NVME_CTRL_STARTED_ONCE, &ctrl->flags) &&
nvme_discovery_ctrl(ctrl))
nvme_change_uevent(ctrl, "NVME_EVENT=rediscover");
@@ -5056,6 +5059,7 @@ void nvme_start_ctrl(struct nvme_ctrl *ctrl)
}
nvme_change_uevent(ctrl, "NVME_EVENT=connected");
+ set_bit(NVME_CTRL_STARTED_ONCE, &ctrl->flags);
}
EXPORT_SYMBOL_GPL(nvme_start_ctrl);