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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
commitd54b1fdb1d9f82e375a299e22bd366aad52d4c34 (patch)
treef94768d59702dbbc0beb9a70d9be65dbc5e5108d /drivers/rtc
parentfa027c2a0a0d6d1df6b29ee99048502c93da0dd4 (diff)
[PATCH] mark struct file_operations const 5
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/rtc')
-rw-r--r--drivers/rtc/rtc-dev.c2
-rw-r--r--drivers/rtc/rtc-proc.c2
2 files changed, 2 insertions, 2 deletions
diff --git a/drivers/rtc/rtc-dev.c b/drivers/rtc/rtc-dev.c
index 82f2ac87ccd4..137330b8636b 100644
--- a/drivers/rtc/rtc-dev.c
+++ b/drivers/rtc/rtc-dev.c
@@ -384,7 +384,7 @@ static int rtc_dev_fasync(int fd, struct file *file, int on)
384 return fasync_helper(fd, file, on, &rtc->async_queue); 384 return fasync_helper(fd, file, on, &rtc->async_queue);
385} 385}
386 386
387static struct file_operations rtc_dev_fops = { 387static const struct file_operations rtc_dev_fops = {
388 .owner = THIS_MODULE, 388 .owner = THIS_MODULE,
389 .llseek = no_llseek, 389 .llseek = no_llseek,
390 .read = rtc_dev_read, 390 .read = rtc_dev_read,
diff --git a/drivers/rtc/rtc-proc.c b/drivers/rtc/rtc-proc.c
index c272afd62173..1bd624fc685c 100644
--- a/drivers/rtc/rtc-proc.c
+++ b/drivers/rtc/rtc-proc.c
@@ -96,7 +96,7 @@ static int rtc_proc_release(struct inode *inode, struct file *file)
96 return res; 96 return res;
97} 97}
98 98
99static struct file_operations rtc_proc_fops = { 99static const struct file_operations rtc_proc_fops = {
100 .open = rtc_proc_open, 100 .open = rtc_proc_open,
101 .read = seq_read, 101 .read = seq_read,
102 .llseek = seq_lseek, 102 .llseek = seq_lseek,