[PATCH] PCI: xgene-msi: Use bitmap_zalloc() when applicable
From: Christophe JAILLET <hidden>
Date: 2021-10-23 20:02:11
Also in:
kernel-janitors, linux-pci, lkml
Subsystem:
pci msi driver for appliedmicro xgene, pci native host bridge and endpoint drivers, pci subsystem, the rest · Maintainers:
Toan Le, Lorenzo Pieralisi, Krzysztof Wilczyński, Manivannan Sadhasivam, Bjorn Helgaas, Linus Torvalds
'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 <redacted> --- 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
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