[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>
diff --git a/drivers/char/tpm/tpm_bios.c b/drivers/char/tpm/tpm_bios.c
index 7fca5f4..4eba32b 100644
--- a/drivers/char/tpm/tpm_bios.c
+++ b/drivers/char/tpm/tpm_bios.c
@@ -441,7 +441,7 @@
return err;
}
-struct file_operations tpm_ascii_bios_measurements_ops = {
+const struct file_operations tpm_ascii_bios_measurements_ops = {
.open = tpm_ascii_bios_measurements_open,
.read = seq_read,
.llseek = seq_lseek,
@@ -474,7 +474,7 @@
return err;
}
-struct file_operations tpm_binary_bios_measurements_ops = {
+const struct file_operations tpm_binary_bios_measurements_ops = {
.open = tpm_binary_bios_measurements_open,
.read = seq_read,
.llseek = seq_lseek,