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authorArjan van de Ven <arjan@linux.intel.com>2007-02-12 00:55:37 -0800
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-02-12 09:48:46 -0800
commit9c2e08c592cd357a8330c34def1e8ecfdcf53275 (patch)
tree62e7449e43bb502f2e9630ab41832ceccd9a0f65 /sound/oss/soundcard.c
parentda7071d7e32d15149cc513f096a3638097b66387 (diff)
downloadop-kernel-dev-9c2e08c592cd357a8330c34def1e8ecfdcf53275.zip
op-kernel-dev-9c2e08c592cd357a8330c34def1e8ecfdcf53275.tar.gz
[PATCH] mark struct file_operations const 9
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 'sound/oss/soundcard.c')
-rw-r--r--sound/oss/soundcard.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/sound/oss/soundcard.c b/sound/oss/soundcard.c
index b92c8cd..dcd8d6d 100644
--- a/sound/oss/soundcard.c
+++ b/sound/oss/soundcard.c
@@ -483,7 +483,7 @@ static int sound_mmap(struct file *file, struct vm_area_struct *vma)
return 0;
}
-struct file_operations oss_sound_fops = {
+const struct file_operations oss_sound_fops = {
.owner = THIS_MODULE,
.llseek = no_llseek,
.read = sound_read,
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