floppy: make controller const

The struct cont_t is just a set of virtual function pointers.

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>

diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c
index 3126d5122b2b1ad7c36dcdfd50a734dc5b646a7b..cf04c1b234ed192d1d6000deafc36430c0608651 100644 (file)
--- a/drivers/block/floppy.c
+++ b/drivers/block/floppy.c
@@ -538,7 +538,7 @@ static int max_buffer_sectors;
 
 static int *errors;
 typedef void (*done_f)(int);
-static struct cont_t {
+static const struct cont_t {
        void (*interrupt)(void);
                                /* this is called after the interrupt of the
                                 * main command */
@@ -1970,14 +1970,14 @@ static void do_wakeup(void)
        wake_up(&command_done);
 }
 
-static struct cont_t wakeup_cont = {
+static const struct cont_t wakeup_cont = {
        .interrupt      = empty,
        .redo           = do_wakeup,
        .error          = empty,
        .done           = (done_f)empty
 };
 
-static struct cont_t intr_cont = {
+static const struct cont_t intr_cont = {
        .interrupt      = empty,
        .redo           = process_fd_request,
        .error          = empty,
@@ -2183,7 +2183,7 @@ static void redo_format(void)
        debugt(__func__, "queue format request");
 }
 
-static struct cont_t format_cont = {
+static const struct cont_t format_cont = {
        .interrupt      = format_interrupt,
        .redo           = redo_format,
        .error          = bad_flp_intr,
@@ -2879,7 +2879,7 @@ do_request:
        return;
 }
 
-static struct cont_t rw_cont = {
+static const struct cont_t rw_cont = {
        .interrupt      = rw_interrupt,
        .redo           = redo_fd_request,
        .error          = bad_flp_intr,
@@ -2915,7 +2915,7 @@ static void do_fd_request(struct request_queue *q)
        is_alive(__func__, "");
 }
 
-static struct cont_t poll_cont = {
+static const struct cont_t poll_cont = {
        .interrupt      = success_and_wakeup,
        .redo           = floppy_ready,
        .error          = generic_failure,
@@ -2946,7 +2946,7 @@ static void reset_intr(void)
        pr_info("weird, reset interrupt called\n");
 }
 
-static struct cont_t reset_cont = {
+static const struct cont_t reset_cont = {
        .interrupt      = reset_intr,
        .redo           = success_and_wakeup,
        .error          = generic_failure,
@@ -3051,7 +3051,7 @@ static void raw_cmd_done(int flag)
        generic_done(flag);
 }
 
-static struct cont_t raw_cmd_cont = {
+static const struct cont_t raw_cmd_cont = {
        .interrupt      = success_and_wakeup,
        .redo           = floppy_start,
        .error          = generic_failure,