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nvdimm: Introduce guard() for nvdimm_bus_lock

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Converting nvdimm_bus_lock/unlock to guard() to clean up usage
of gotos for error handling and avoid future mistakes of missed
unlock on error paths.

Link: https://lore.kernel.org/linux-cxl/20250917163623.00004a3c@huawei.com/
Suggested-by: Jonathan Cameron <jonathan.cameron@huawei.com>
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Acked-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Ira Weiny <ira.weiny@intel.com>
This commit is contained in:
Dave Jiang
2025-09-23 10:40:12 -07:00
committed by Ira Weiny
parent d1a599a813
commit 0020839be0
14 changed files with 195 additions and 252 deletions
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3
drivers/nvdimm/badrange.c
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@@ -278,8 +278,7 @@ void nvdimm_badblocks_populate(struct nd_region *nd_region,
}
nvdimm_bus = walk_to_nvdimm_bus(&nd_region->dev);
nvdimm_bus_lock(&nvdimm_bus->dev);
guard(nvdimm_bus)(&nvdimm_bus->dev);
badblocks_populate(&nvdimm_bus->badrange, bb, range);
nvdimm_bus_unlock(&nvdimm_bus->dev);
}
EXPORT_SYMBOL_GPL(nvdimm_badblocks_populate);