Thread (35 messages) 35 messages, 10 authors, 2016-09-14

Re: [PATCH 20/26] stmmac: pci: constify local structures

From: Julia Lawall <hidden>
Date: 2016-09-12 12:08:45
Also in: kernel-janitors, lkml


On Sun, 11 Sep 2016, Julia Lawall wrote:
For structure types defined in the same file or local header files, find
top-level static structure declarations that have the following
properties:
1. Never reassigned.
2. Address never taken
3. Not passed to a top-level macro call
4. No pointer or array-typed field passed to a function or stored in a
variable.
Declare structures having all of these properties as const.
Please ignore this patch.  Coccinelle incorrectly interpreted

{PCI_VDEVICE(INTEL, STMMAC_QUARK_ID), (kernel_ulong_t)&quark_pci_info}

as a bit and operation, since it did not recognize kernel_ulong_t as a
type.

julia
quoted hunk ↗ jump to hunk
Done using Coccinelle.
Based on a suggestion by Joe Perches [off-list ref].

Signed-off-by: Julia Lawall <redacted>

---
The semantic patch seems too long for a commit log, but is in the cover
letter.

 drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c
index 56c8a23..5c612c3 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c
@@ -141,7 +141,7 @@ static struct stmmac_pci_dmi_data quark_pci_dmi_data[] = {
 	{}
 };

-static struct stmmac_pci_info quark_pci_info = {
+static const struct stmmac_pci_info quark_pci_info = {
 	.setup = quark_default_data,
 	.dmi = quark_pci_dmi_data,
 };

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