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| author | Arjan van de Ven <arjan@linux.intel.com> | 2007-02-12 09:55:33 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-02-12 18:48:45 +0100 |
| commit | fa027c2a0a0d6d1df6b29ee99048502c93da0dd4 (patch) | |
| tree | 64a6b20c6c6e19a731882f830bd70ca5c8d99943 /drivers/media/video/usbvideo/usbvideo.c | |
| parent | [PATCH] mark struct file_operations const 3 (diff) | |
| download | linux-fa027c2a0a0d6d1df6b29ee99048502c93da0dd4.tar.xz linux-fa027c2a0a0d6d1df6b29ee99048502c93da0dd4.zip | |
[PATCH] mark struct file_operations const 4
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.
[akpm@sdl.org: dvb fix]
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/media/video/usbvideo/usbvideo.c')
| -rw-r--r-- | drivers/media/video/usbvideo/usbvideo.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/media/video/usbvideo/usbvideo.c b/drivers/media/video/usbvideo/usbvideo.c index b560c9d7c516..d34d8c8b7376 100644 --- a/drivers/media/video/usbvideo/usbvideo.c +++ b/drivers/media/video/usbvideo/usbvideo.c @@ -945,7 +945,7 @@ static int usbvideo_find_struct(struct usbvideo *cams) return rv; } -static struct file_operations usbvideo_fops = { +static const struct file_operations usbvideo_fops = { .owner = THIS_MODULE, .open = usbvideo_v4l_open, .release =usbvideo_v4l_close, |