diff options
| author | Joao Martins <[email protected]> | 2022-01-14 14:04:29 -0800 |
|---|---|---|
| committer | Linus Torvalds <[email protected]> | 2022-01-15 16:30:25 +0200 |
| commit | 09b80137033dbc5f1d197e99116527c0f8d253f2 (patch) | |
| tree | d5855f5d872f684f713509da98ad436255a73a2a | |
| parent | b9b5777f09be84d0de472ded2253d2f5101427f2 (diff) | |
device-dax: use struct_size()
Use the struct_size() helper for the size of a struct with variable
array member at the end, rather than manually calculating it.
Link: https://lkml.kernel.org/r/[email protected]
Suggested-by: Dan Williams <[email protected]>
Signed-off-by: Joao Martins <[email protected]>
Cc: Christoph Hellwig <[email protected]>
Cc: Dave Jiang <[email protected]>
Cc: Jane Chu <[email protected]>
Cc: Jason Gunthorpe <[email protected]>
Cc: Jason Gunthorpe <[email protected]>
Cc: John Hubbard <[email protected]>
Cc: Jonathan Corbet <[email protected]>
Cc: Matthew Wilcox (Oracle) <[email protected]>
Cc: Mike Kravetz <[email protected]>
Cc: Muchun Song <[email protected]>
Cc: Naoya Horiguchi <[email protected]>
Cc: Vishal Verma <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
| -rw-r--r-- | drivers/dax/device.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/dax/device.c b/drivers/dax/device.c index 0b82159b3564..038816b91af6 100644 --- a/drivers/dax/device.c +++ b/drivers/dax/device.c @@ -404,8 +404,9 @@ int dev_dax_probe(struct dev_dax *dev_dax) return -EINVAL; if (!pgmap) { - pgmap = devm_kzalloc(dev, sizeof(*pgmap) + sizeof(struct range) - * (dev_dax->nr_range - 1), GFP_KERNEL); + pgmap = devm_kzalloc(dev, + struct_size(pgmap, ranges, dev_dax->nr_range - 1), + GFP_KERNEL); if (!pgmap) return -ENOMEM; pgmap->nr_range = dev_dax->nr_range; |