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authorArjan van de Ven <arjan@linux.intel.com>2007-02-12 03:55:32 -0500
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-02-12 12:48:45 -0500
commit2b8693c0617e972fc0b2fd1ebf8de97e15b656c3 (patch)
tree3eb7dfbc8d5e4031e4992bdd566e211f5ada71f3 /drivers/isdn/hardware
parent5dfe4c964a0dd7bb3a1d64a4166835a153146207 (diff)
[PATCH] mark struct file_operations const 3
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/isdn/hardware')
-rw-r--r--drivers/isdn/hardware/eicon/divamnt.c2
-rw-r--r--drivers/isdn/hardware/eicon/divasi.c2
-rw-r--r--drivers/isdn/hardware/eicon/divasmain.c2
-rw-r--r--drivers/isdn/hardware/eicon/divasproc.c2
4 files changed, 4 insertions, 4 deletions
diff --git a/drivers/isdn/hardware/eicon/divamnt.c b/drivers/isdn/hardware/eicon/divamnt.c
index 77155d9f399b..6b2940ed0776 100644
--- a/drivers/isdn/hardware/eicon/divamnt.c
+++ b/drivers/isdn/hardware/eicon/divamnt.c
@@ -164,7 +164,7 @@ static ssize_t divas_maint_read(struct file *file, char __user *buf,
164 return (maint_read_write(buf, (int) count)); 164 return (maint_read_write(buf, (int) count));
165} 165}
166 166
167static struct file_operations divas_maint_fops = { 167static const struct file_operations divas_maint_fops = {
168 .owner = THIS_MODULE, 168 .owner = THIS_MODULE,
169 .llseek = no_llseek, 169 .llseek = no_llseek,
170 .read = divas_maint_read, 170 .read = divas_maint_read,
diff --git a/drivers/isdn/hardware/eicon/divasi.c b/drivers/isdn/hardware/eicon/divasi.c
index fff0d89c806b..556b19615bc7 100644
--- a/drivers/isdn/hardware/eicon/divasi.c
+++ b/drivers/isdn/hardware/eicon/divasi.c
@@ -131,7 +131,7 @@ static void remove_um_idi_proc(void)
131 } 131 }
132} 132}
133 133
134static struct file_operations divas_idi_fops = { 134static const struct file_operations divas_idi_fops = {
135 .owner = THIS_MODULE, 135 .owner = THIS_MODULE,
136 .llseek = no_llseek, 136 .llseek = no_llseek,
137 .read = um_idi_read, 137 .read = um_idi_read,
diff --git a/drivers/isdn/hardware/eicon/divasmain.c b/drivers/isdn/hardware/eicon/divasmain.c
index 91fc92c01afe..b365e44072c0 100644
--- a/drivers/isdn/hardware/eicon/divasmain.c
+++ b/drivers/isdn/hardware/eicon/divasmain.c
@@ -663,7 +663,7 @@ static unsigned int divas_poll(struct file *file, poll_table * wait)
663 return (POLLIN | POLLRDNORM); 663 return (POLLIN | POLLRDNORM);
664} 664}
665 665
666static struct file_operations divas_fops = { 666static const struct file_operations divas_fops = {
667 .owner = THIS_MODULE, 667 .owner = THIS_MODULE,
668 .llseek = no_llseek, 668 .llseek = no_llseek,
669 .read = divas_read, 669 .read = divas_read,
diff --git a/drivers/isdn/hardware/eicon/divasproc.c b/drivers/isdn/hardware/eicon/divasproc.c
index 6a4373a4f1e8..0632a2606998 100644
--- a/drivers/isdn/hardware/eicon/divasproc.c
+++ b/drivers/isdn/hardware/eicon/divasproc.c
@@ -113,7 +113,7 @@ static int divas_close(struct inode *inode, struct file *file)
113 return (0); 113 return (0);
114} 114}
115 115
116static struct file_operations divas_fops = { 116static const struct file_operations divas_fops = {
117 .owner = THIS_MODULE, 117 .owner = THIS_MODULE,
118 .llseek = no_llseek, 118 .llseek = no_llseek,
119 .read = divas_read, 119 .read = divas_read,