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authorArjan van de Ven <arjan@linux.intel.com>2007-02-12 11:55:32 +0300
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-02-12 20:48:45 +0300
commit2b8693c0617e972fc0b2fd1ebf8de97e15b656c3 (patch)
tree3eb7dfbc8d5e4031e4992bdd566e211f5ada71f3 /drivers/char/random.c
parent5dfe4c964a0dd7bb3a1d64a4166835a153146207 (diff)
downloadlinux-2b8693c0617e972fc0b2fd1ebf8de97e15b656c3.tar.xz
[PATCH] mark struct file_operations const 3
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/char/random.c')
-rw-r--r--drivers/char/random.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/char/random.c b/drivers/char/random.c
index 13d0b1350a62..b9dc7aa1dfb3 100644
--- a/drivers/char/random.c
+++ b/drivers/char/random.c
@@ -1117,14 +1117,14 @@ random_ioctl(struct inode * inode, struct file * file,
}
}
-struct file_operations random_fops = {
+const struct file_operations random_fops = {
.read = random_read,
.write = random_write,
.poll = random_poll,
.ioctl = random_ioctl,
};
-struct file_operations urandom_fops = {
+const struct file_operations urandom_fops = {
.read = urandom_read,
.write = random_write,
.ioctl = random_ioctl,