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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
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')
-rw-r--r--drivers/sbus/char/bpp.c2
-rw-r--r--drivers/sbus/char/cpwatchdog.c2
-rw-r--r--drivers/sbus/char/display7seg.c2
-rw-r--r--drivers/sbus/char/envctrl.c2
-rw-r--r--drivers/sbus/char/flash.c2
-rw-r--r--drivers/sbus/char/jsflash.c2
-rw-r--r--drivers/sbus/char/openprom.c2
-rw-r--r--drivers/sbus/char/riowatchdog.c2
-rw-r--r--drivers/sbus/char/rtc.c2
-rw-r--r--drivers/sbus/char/uctrl.c2
-rw-r--r--drivers/sbus/char/vfc_dev.c4
11 files changed, 12 insertions, 12 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,
diff --git a/drivers/sbus/char/cpwatchdog.c b/drivers/sbus/char/cpwatchdog.c
index ad1c7db96cb4..0cfd1e4c032c 100644
--- a/drivers/sbus/char/cpwatchdog.c
+++ b/drivers/sbus/char/cpwatchdog.c
@@ -459,7 +459,7 @@ static irqreturn_t wd_interrupt(int irq, void *dev_id)
459 return IRQ_HANDLED; 459 return IRQ_HANDLED;
460} 460}
461 461
462static struct file_operations wd_fops = { 462static const struct file_operations wd_fops = {
463 .owner = THIS_MODULE, 463 .owner = THIS_MODULE,
464 .ioctl = wd_ioctl, 464 .ioctl = wd_ioctl,
465 .compat_ioctl = wd_compat_ioctl, 465 .compat_ioctl = wd_compat_ioctl,
diff --git a/drivers/sbus/char/display7seg.c b/drivers/sbus/char/display7seg.c
index a4909e0c7f83..2d14a29effe4 100644
--- a/drivers/sbus/char/display7seg.c
+++ b/drivers/sbus/char/display7seg.c
@@ -166,7 +166,7 @@ static long d7s_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
166 return error; 166 return error;
167} 167}
168 168
169static struct file_operations d7s_fops = { 169static const struct file_operations d7s_fops = {
170 .owner = THIS_MODULE, 170 .owner = THIS_MODULE,
171 .unlocked_ioctl = d7s_ioctl, 171 .unlocked_ioctl = d7s_ioctl,
172 .compat_ioctl = d7s_ioctl, 172 .compat_ioctl = d7s_ioctl,
diff --git a/drivers/sbus/char/envctrl.c b/drivers/sbus/char/envctrl.c
index fff4660cdf96..2cea4f5d2084 100644
--- a/drivers/sbus/char/envctrl.c
+++ b/drivers/sbus/char/envctrl.c
@@ -705,7 +705,7 @@ envctrl_release(struct inode *inode, struct file *file)
705 return 0; 705 return 0;
706} 706}
707 707
708static struct file_operations envctrl_fops = { 708static const struct file_operations envctrl_fops = {
709 .owner = THIS_MODULE, 709 .owner = THIS_MODULE,
710 .read = envctrl_read, 710 .read = envctrl_read,
711 .unlocked_ioctl = envctrl_ioctl, 711 .unlocked_ioctl = envctrl_ioctl,
diff --git a/drivers/sbus/char/flash.c b/drivers/sbus/char/flash.c
index fa2418f7ad39..6e99507aeb12 100644
--- a/drivers/sbus/char/flash.c
+++ b/drivers/sbus/char/flash.c
@@ -142,7 +142,7 @@ flash_release(struct inode *inode, struct file *file)
142 return 0; 142 return 0;
143} 143}
144 144
145static struct file_operations flash_fops = { 145static const struct file_operations flash_fops = {
146 /* no write to the Flash, use mmap 146 /* no write to the Flash, use mmap
147 * and play flash dependent tricks. 147 * and play flash dependent tricks.
148 */ 148 */
diff --git a/drivers/sbus/char/jsflash.c b/drivers/sbus/char/jsflash.c
index 14631ac11bc7..512857a23169 100644
--- a/drivers/sbus/char/jsflash.c
+++ b/drivers/sbus/char/jsflash.c
@@ -431,7 +431,7 @@ static int jsf_release(struct inode *inode, struct file *file)
431 return 0; 431 return 0;
432} 432}
433 433
434static struct file_operations jsf_fops = { 434static const struct file_operations jsf_fops = {
435 .owner = THIS_MODULE, 435 .owner = THIS_MODULE,
436 .llseek = jsf_lseek, 436 .llseek = jsf_lseek,
437 .read = jsf_read, 437 .read = jsf_read,
diff --git a/drivers/sbus/char/openprom.c b/drivers/sbus/char/openprom.c
index 4e2a0e2dcc2e..e8776230782b 100644
--- a/drivers/sbus/char/openprom.c
+++ b/drivers/sbus/char/openprom.c
@@ -704,7 +704,7 @@ static int openprom_release(struct inode * inode, struct file * file)
704 return 0; 704 return 0;
705} 705}
706 706
707static struct file_operations openprom_fops = { 707static const struct file_operations openprom_fops = {
708 .owner = THIS_MODULE, 708 .owner = THIS_MODULE,
709 .llseek = no_llseek, 709 .llseek = no_llseek,
710 .ioctl = openprom_ioctl, 710 .ioctl = openprom_ioctl,
diff --git a/drivers/sbus/char/riowatchdog.c b/drivers/sbus/char/riowatchdog.c
index 2a9cc8204429..a2fc6b8c1334 100644
--- a/drivers/sbus/char/riowatchdog.c
+++ b/drivers/sbus/char/riowatchdog.c
@@ -193,7 +193,7 @@ static ssize_t riowd_write(struct file *file, const char __user *buf, size_t cou
193 return 0; 193 return 0;
194} 194}
195 195
196static struct file_operations riowd_fops = { 196static const struct file_operations riowd_fops = {
197 .owner = THIS_MODULE, 197 .owner = THIS_MODULE,
198 .ioctl = riowd_ioctl, 198 .ioctl = riowd_ioctl,
199 .open = riowd_open, 199 .open = riowd_open,
diff --git a/drivers/sbus/char/rtc.c b/drivers/sbus/char/rtc.c
index 9b988baf0b51..94d185829119 100644
--- a/drivers/sbus/char/rtc.c
+++ b/drivers/sbus/char/rtc.c
@@ -233,7 +233,7 @@ static int rtc_release(struct inode *inode, struct file *file)
233 return 0; 233 return 0;
234} 234}
235 235
236static struct file_operations rtc_fops = { 236static const struct file_operations rtc_fops = {
237 .owner = THIS_MODULE, 237 .owner = THIS_MODULE,
238 .llseek = no_llseek, 238 .llseek = no_llseek,
239 .ioctl = rtc_ioctl, 239 .ioctl = rtc_ioctl,
diff --git a/drivers/sbus/char/uctrl.c b/drivers/sbus/char/uctrl.c
index b30372f17f1c..4d1a505e9e74 100644
--- a/drivers/sbus/char/uctrl.c
+++ b/drivers/sbus/char/uctrl.c
@@ -224,7 +224,7 @@ static irqreturn_t uctrl_interrupt(int irq, void *dev_id)
224 return IRQ_HANDLED; 224 return IRQ_HANDLED;
225} 225}
226 226
227static struct file_operations uctrl_fops = { 227static const struct file_operations uctrl_fops = {
228 .owner = THIS_MODULE, 228 .owner = THIS_MODULE,
229 .llseek = no_llseek, 229 .llseek = no_llseek,
230 .ioctl = uctrl_ioctl, 230 .ioctl = uctrl_ioctl,
diff --git a/drivers/sbus/char/vfc_dev.c b/drivers/sbus/char/vfc_dev.c
index 386e7de0b7e3..37a04a0cecfa 100644
--- a/drivers/sbus/char/vfc_dev.c
+++ b/drivers/sbus/char/vfc_dev.c
@@ -44,7 +44,7 @@
44#include "vfc.h" 44#include "vfc.h"
45#include <asm/vfc_ioctls.h> 45#include <asm/vfc_ioctls.h>
46 46
47static struct file_operations vfc_fops; 47static const struct file_operations vfc_fops;
48struct vfc_dev **vfc_dev_lst; 48struct vfc_dev **vfc_dev_lst;
49static char vfcstr[]="vfc"; 49static char vfcstr[]="vfc";
50static unsigned char saa9051_init_array[VFC_SAA9051_NR] = { 50static unsigned char saa9051_init_array[VFC_SAA9051_NR] = {
@@ -633,7 +633,7 @@ static int vfc_mmap(struct file *file, struct vm_area_struct *vma)
633} 633}
634 634
635 635
636static struct file_operations vfc_fops = { 636static const struct file_operations vfc_fops = {
637 .owner = THIS_MODULE, 637 .owner = THIS_MODULE,
638 .llseek = no_llseek, 638 .llseek = no_llseek,
639 .ioctl = vfc_ioctl, 639 .ioctl = vfc_ioctl,