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[PATCH] mark struct file_operations const 6

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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 <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Arjan van de Ven 2007-02-12 00:55:34 -08:00 • committed by Linus Torvalds
commit 00977a59b9
45 changed files with 91 additions and 91 deletions
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2
drivers/usb/misc/adutux.c
View file

@ -644,7 +644,7 @@ exit:
}
/* file operations needed when we register this driver */
static struct file_operations adu_fops = {
static const struct file_operations adu_fops = {
.owner = THIS_MODULE,
.read = adu_read,
.write = adu_write,

2
drivers/usb/misc/ftdi-elan.c
View file

@ -1209,7 +1209,7 @@ error_1:
return retval;
}
static struct file_operations ftdi_elan_fops = {
static const struct file_operations ftdi_elan_fops = {
.owner = THIS_MODULE,
.llseek = no_llseek,
.ioctl = ftdi_elan_ioctl,