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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
commit00977a59b951207d38380c75f03a36829950265c (patch)
tree26933feafebffca95df02c19df03f5e56aada47e /drivers/sbus/char/bpp.c
parentd54b1fdb1d9f82e375a299e22bd366aad52d4c34 (diff)
[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/sbus/char/bpp.c')
-rw-r--r--drivers/sbus/char/bpp.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/sbus/char/bpp.c b/drivers/sbus/char/bpp.c
index ac7d1258efee..a39ee80c9715 100644
--- a/drivers/sbus/char/bpp.c
+++ b/drivers/sbus/char/bpp.c
@@ -846,7 +846,7 @@ static int bpp_ioctl(struct inode *inode, struct file *f, unsigned int cmd,
846 return errno; 846 return errno;
847} 847}
848 848
849static struct file_operations bpp_fops = { 849static const struct file_operations bpp_fops = {
850 .owner = THIS_MODULE, 850 .owner = THIS_MODULE,
851 .read = bpp_read, 851 .read = bpp_read,
852 .write = bpp_write, 852 .write = bpp_write,