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authorKees Cook <keescook@chromium.org>2017-09-07 12:35:14 -0700
committerDavid S. Miller <davem@davemloft.net>2017-09-08 20:53:10 -0700
commit9a486c9dc515f7daa05a344621031ee09645c522 (patch)
treeeaa955333c011e607dfbc223c4064e01532bc0f6 /drivers/net
parente333ac1f1db09e37425c90bb6cf3dec721a6d71d (diff)
net: tulip: Constify tulip_tbl
It looks like all users of tulip_tbl are reads, so mark this table as read-only. $ git grep tulip_tbl # edited to avoid line-wraps... interrupt.c: iowrite32(tulip_tbl[tp->chip_id].valid_intrs, ... interrupt.c: iowrite32(tulip_tbl[tp->chip_id].valid_intrs&~RxPollInt, ... interrupt.c: iowrite32(tulip_tbl[tp->chip_id].valid_intrs, ... interrupt.c: iowrite32(tulip_tbl[tp->chip_id].valid_intrs | TimerInt, pnic.c: iowrite32(tulip_tbl[tp->chip_id].valid_intrs, ioaddr + CSR7); tulip.h: extern struct tulip_chip_table tulip_tbl[]; tulip_core.c:struct tulip_chip_table tulip_tbl[] = { tulip_core.c:iowrite32(tulip_tbl[tp->chip_id].valid_intrs, ioaddr + CSR5); tulip_core.c:iowrite32(tulip_tbl[tp->chip_id].valid_intrs, ioaddr + CSR7); tulip_core.c:setup_timer(&tp->timer, tulip_tbl[tp->chip_id].media_timer, tulip_core.c:const char *chip_name = tulip_tbl[chip_idx].chip_name; tulip_core.c:if (pci_resource_len (pdev, 0) < tulip_tbl[chip_idx].io_size) tulip_core.c:ioaddr = pci_iomap(..., tulip_tbl[chip_idx].io_size); tulip_core.c:tp->flags = tulip_tbl[chip_idx].flags; tulip_core.c:setup_timer(&tp->timer, tulip_tbl[tp->chip_id].media_timer, tulip_core.c:INIT_WORK(&tp->media_work, tulip_tbl[tp->chip_id].media_task); Cc: "David S. Miller" <davem@davemloft.net> Cc: Jarod Wilson <jarod@redhat.com> Cc: "Gustavo A. R. Silva" <gustavo@embeddedor.com> Cc: netdev@vger.kernel.org Cc: linux-parisc@vger.kernel.org Signed-off-by: Kees Cook <keescook@chromium.org> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/ethernet/dec/tulip/tulip.h2
-rw-r--r--drivers/net/ethernet/dec/tulip/tulip_core.c2
2 files changed, 2 insertions, 2 deletions
diff --git a/drivers/net/ethernet/dec/tulip/tulip.h b/drivers/net/ethernet/dec/tulip/tulip.h
index 38431a155f09..06660dbc44b7 100644
--- a/drivers/net/ethernet/dec/tulip/tulip.h
+++ b/drivers/net/ethernet/dec/tulip/tulip.h
@@ -515,7 +515,7 @@ void comet_timer(unsigned long data);
extern int tulip_debug;
extern const char * const medianame[];
extern const char tulip_media_cap[];
-extern struct tulip_chip_table tulip_tbl[];
+extern const struct tulip_chip_table tulip_tbl[];
void oom_timer(unsigned long data);
extern u8 t21040_csr13[];
diff --git a/drivers/net/ethernet/dec/tulip/tulip_core.c b/drivers/net/ethernet/dec/tulip/tulip_core.c
index 84394b43c0a1..851b6d1f5a42 100644
--- a/drivers/net/ethernet/dec/tulip/tulip_core.c
+++ b/drivers/net/ethernet/dec/tulip/tulip_core.c
@@ -138,7 +138,7 @@ static void tulip_timer(unsigned long data)
* It is indexed via the values in 'enum chips'
*/
-struct tulip_chip_table tulip_tbl[] = {
+const struct tulip_chip_table tulip_tbl[] = {
{ }, /* placeholder for array, slot unused currently */
{ }, /* placeholder for array, slot unused currently */