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authorArjan van de Ven <arjan@linux.intel.com>2007-02-12 00:55:34 -0800
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-02-12 09:48:45 -0800
commit00977a59b951207d38380c75f03a36829950265c (patch)
tree26933feafebffca95df02c19df03f5e56aada47e /drivers/telephony
parentd54b1fdb1d9f82e375a299e22bd366aad52d4c34 (diff)
downloadop-kernel-dev-00977a59b951207d38380c75f03a36829950265c.zip
op-kernel-dev-00977a59b951207d38380c75f03a36829950265c.tar.gz
[PATCH] mark struct file_operations const 6
Many struct file_operations in the kernel can be "const". Marking them const moves these to the .rodata section, which avoids false sharing with potential dirty data. In addition it'll catch accidental writes at compile time to these shared resources. Signed-off-by: Arjan van de Ven <arjan@linux.intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/telephony')
-rw-r--r--drivers/telephony/ixj.c2
-rw-r--r--drivers/telephony/phonedev.c2
2 files changed, 2 insertions, 2 deletions
diff --git a/drivers/telephony/ixj.c b/drivers/telephony/ixj.c
index 58deaac..71cb64e 100644
--- a/drivers/telephony/ixj.c
+++ b/drivers/telephony/ixj.c
@@ -6663,7 +6663,7 @@ static int ixj_fasync(int fd, struct file *file_p, int mode)
return fasync_helper(fd, file_p, mode, &j->async_queue);
}
-static struct file_operations ixj_fops =
+static const struct file_operations ixj_fops =
{
.owner = THIS_MODULE,
.read = ixj_enhanced_read,
diff --git a/drivers/telephony/phonedev.c b/drivers/telephony/phonedev.c
index e41f49a..4d8c2a5 100644
--- a/drivers/telephony/phonedev.c
+++ b/drivers/telephony/phonedev.c
@@ -127,7 +127,7 @@ void phone_unregister_device(struct phone_device *pfd)
}
-static struct file_operations phone_fops =
+static const struct file_operations phone_fops =
{
.owner = THIS_MODULE,
.open = phone_open,
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