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authorArjan van de Ven <arjan@linux.intel.com>2007-02-12 11:55:34 +0300
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-02-12 20:48:45 +0300
commit00977a59b951207d38380c75f03a36829950265c (patch)
tree26933feafebffca95df02c19df03f5e56aada47e /drivers/usb
parentd54b1fdb1d9f82e375a299e22bd366aad52d4c34 (diff)
downloadlinux-00977a59b951207d38380c75f03a36829950265c.tar.xz
[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/usb')
-rw-r--r--drivers/usb/misc/adutux.c2
-rw-r--r--drivers/usb/misc/ftdi-elan.c2
2 files changed, 2 insertions, 2 deletions
diff --git a/drivers/usb/misc/adutux.c b/drivers/usb/misc/adutux.c
index af2934e016a7..75bfab95ab3c 100644
--- a/drivers/usb/misc/adutux.c
+++ b/drivers/usb/misc/adutux.c
@@ -644,7 +644,7 @@ exit:
}
/* file operations needed when we register this driver */
-static struct file_operations adu_fops = {
+static const struct file_operations adu_fops = {
.owner = THIS_MODULE,
.read = adu_read,
.write = adu_write,
diff --git a/drivers/usb/misc/ftdi-elan.c b/drivers/usb/misc/ftdi-elan.c
index 41c0161abdb9..0c1d66ddb812 100644
--- a/drivers/usb/misc/ftdi-elan.c
+++ b/drivers/usb/misc/ftdi-elan.c
@@ -1209,7 +1209,7 @@ error_1:
return retval;
}
-static struct file_operations ftdi_elan_fops = {
+static const struct file_operations ftdi_elan_fops = {
.owner = THIS_MODULE,
.llseek = no_llseek,
.ioctl = ftdi_elan_ioctl,