'struct pci_device_id' is not modified in these drivers. Constifying this structure moves some data to a read-only section, so increase overall security. On a x86_64, with allmodconfig, as an example: Before: ====== text data bss dec hex filename 4245 1454 4 5703 1647 drivers/ata/ata_generic.o After: ===== text data bss dec hex filename 4725 974 4 5703 1647 drivers/ata/ata_generic.o Signed-off-by: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx> --- Compile tested-only. --- --- drivers/ata/ata_generic.c | 2 +- drivers/ata/pata_atp867x.c | 2 +- drivers/ata/pata_piccolo.c | 2 +- 3 files changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/ata/ata_generic.c b/drivers/ata/ata_generic.c index 2f57ec00ab82..e70b6c089cf1 100644 --- a/drivers/ata/ata_generic.c +++ b/drivers/ata/ata_generic.c @@ -209,7 +209,7 @@ static int ata_generic_init_one(struct pci_dev *dev, const struct pci_device_id return ata_pci_bmdma_init_one(dev, ppi, &generic_sht, (void *)id, 0); } -static struct pci_device_id ata_generic[] = { +static const struct pci_device_id ata_generic[] = { { PCI_DEVICE(PCI_VENDOR_ID_PCTECH, PCI_DEVICE_ID_PCTECH_SAMURAI_IDE), }, { PCI_DEVICE(PCI_VENDOR_ID_HOLTEK, PCI_DEVICE_ID_HOLTEK_6565), }, { PCI_DEVICE(PCI_VENDOR_ID_UMC, PCI_DEVICE_ID_UMC_UM8673F), }, diff --git a/drivers/ata/pata_atp867x.c b/drivers/ata/pata_atp867x.c index aaef5924f636..308f86f9e2f0 100644 --- a/drivers/ata/pata_atp867x.c +++ b/drivers/ata/pata_atp867x.c @@ -525,7 +525,7 @@ static int atp867x_reinit_one(struct pci_dev *pdev) } #endif -static struct pci_device_id atp867x_pci_tbl[] = { +static const struct pci_device_id atp867x_pci_tbl[] = { { PCI_VDEVICE(ARTOP, PCI_DEVICE_ID_ARTOP_ATP867A), 0 }, { PCI_VDEVICE(ARTOP, PCI_DEVICE_ID_ARTOP_ATP867B), 0 }, { }, diff --git a/drivers/ata/pata_piccolo.c b/drivers/ata/pata_piccolo.c index ced906bf56be..beb53bd990be 100644 --- a/drivers/ata/pata_piccolo.c +++ b/drivers/ata/pata_piccolo.c @@ -97,7 +97,7 @@ static int ata_tosh_init_one(struct pci_dev *dev, const struct pci_device_id *id return ata_pci_bmdma_init_one(dev, ppi, &tosh_sht, NULL, 0); } -static struct pci_device_id ata_tosh[] = { +static const struct pci_device_id ata_tosh[] = { { PCI_DEVICE(PCI_VENDOR_ID_TOSHIBA,PCI_DEVICE_ID_TOSHIBA_PICCOLO_1), }, { PCI_DEVICE(PCI_VENDOR_ID_TOSHIBA,PCI_DEVICE_ID_TOSHIBA_PICCOLO_2), }, { PCI_DEVICE(PCI_VENDOR_ID_TOSHIBA,PCI_DEVICE_ID_TOSHIBA_PICCOLO_3), }, -- 2.47.0