[PATCH] mark struct file_operations const 7
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>
diff --git a/net/ipv6/mcast.c b/net/ipv6/mcast.c
index c9db5bc..a8d6625 100644
--- a/net/ipv6/mcast.c
+++ b/net/ipv6/mcast.c
@@ -2451,7 +2451,7 @@
goto out;
}
-static struct file_operations igmp6_mc_seq_fops = {
+static const struct file_operations igmp6_mc_seq_fops = {
.owner = THIS_MODULE,
.open = igmp6_mc_seq_open,
.read = seq_read,
@@ -2625,7 +2625,7 @@
goto out;
}
-static struct file_operations igmp6_mcf_seq_fops = {
+static const struct file_operations igmp6_mcf_seq_fops = {
.owner = THIS_MODULE,
.open = igmp6_mcf_seq_open,
.read = seq_read,