linux-kernel - [PATCH 1/9] [media] drv-intf: saa7146: constify pci_device

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Date:   Wed,  2 Aug 2017 22:44:49 +0530
From:   Arvind Yadav <arvind.yadav.cs@...il.com>
To:     mchehab@...nel.org, sakari.ailus@...ux.intel.com,
        hverkuil@...all.nl
Cc:     linux-media@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 1/9] [media] drv-intf: saa7146: constify pci_device_id.

pci_device_id are not supposed to change at runtime. All functions
working with pci_device_id provided by <linux/pci.h> work with
const pci_device_id. So mark the non-const structs as const.
So making 'pci_tbl' as const member of 'struct saa7146_extension'.

Signed-off-by: Arvind Yadav <arvind.yadav.cs@...il.com>
---
 include/media/drv-intf/saa7146.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/media/drv-intf/saa7146.h b/include/media/drv-intf/saa7146.h
index 96058a5..4529432 100644
--- a/include/media/drv-intf/saa7146.h
+++ b/include/media/drv-intf/saa7146.h
@@ -96,7 +96,7 @@ struct saa7146_extension
 	   supported devices, last entry 0xffff, 0xfff */
 	struct module *module;
 	struct pci_driver driver;
-	struct pci_device_id *pci_tbl;
+	const struct pci_device_id *pci_tbl;
 
 	/* extension functions */
 	int (*probe)(struct saa7146_dev *);
-- 
2.7.4