Messages in this thread Patch in this message | | | From | Christophe JAILLET <> | Subject | [PATCH] PCI: xgene-msi: Use bitmap_zalloc() when applicable | Date | Sat, 23 Oct 2021 22:02:05 +0200 |
| |
'xgene_msi->bitmap' is a bitmap. So use 'bitmap_zalloc()' to simplify code, improve the semantic and avoid some open-coded arithmetic in allocator arguments.
Also change the corresponding 'kfree()' into 'bitmap_free()' to keep consistency.
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> --- drivers/pci/controller/pci-xgene-msi.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-)
diff --git a/drivers/pci/controller/pci-xgene-msi.c b/drivers/pci/controller/pci-xgene-msi.c index c50ff279903c..bfa259781b69 100644 --- a/drivers/pci/controller/pci-xgene-msi.c +++ b/drivers/pci/controller/pci-xgene-msi.c @@ -269,9 +269,7 @@ static void xgene_free_domains(struct xgene_msi *msi) static int xgene_msi_init_allocator(struct xgene_msi *xgene_msi) { - int size = BITS_TO_LONGS(NR_MSI_VEC) * sizeof(long); - - xgene_msi->bitmap = kzalloc(size, GFP_KERNEL); + xgene_msi->bitmap = bitmap_zalloc(NR_MSI_VEC, GFP_KERNEL); if (!xgene_msi->bitmap) return -ENOMEM; @@ -360,7 +358,7 @@ static int xgene_msi_remove(struct platform_device *pdev) kfree(msi->msi_groups); - kfree(msi->bitmap); + bitmap_free(msi->bitmap); msi->bitmap = NULL; xgene_free_domains(msi); -- 2.30.2
| |