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authorArjan van de Ven <arjan@linux.intel.com>2007-02-12 03:55:34 -0500
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-02-12 12:48:45 -0500
commitd54b1fdb1d9f82e375a299e22bd366aad52d4c34 (patch)
treef94768d59702dbbc0beb9a70d9be65dbc5e5108d /drivers/net/ppp_generic.c
parentfa027c2a0a0d6d1df6b29ee99048502c93da0dd4 (diff)
[PATCH] mark struct file_operations const 5
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/net/ppp_generic.c')
-rw-r--r--drivers/net/ppp_generic.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/ppp_generic.c b/drivers/net/ppp_generic.c
index 0986f6c843e6..11b575f89856 100644
--- a/drivers/net/ppp_generic.c
+++ b/drivers/net/ppp_generic.c
@@ -834,7 +834,7 @@ static int ppp_unattached_ioctl(struct ppp_file *pf, struct file *file,
834 return err; 834 return err;
835} 835}
836 836
837static struct file_operations ppp_device_fops = { 837static const struct file_operations ppp_device_fops = {
838 .owner = THIS_MODULE, 838 .owner = THIS_MODULE,
839 .read = ppp_read, 839 .read = ppp_read,
840 .write = ppp_write, 840 .write = ppp_write,