dm dust: change result vars to r

Change the "result" variables to "r" in dust_status() and
dust_message().

Signed-off-by: Bryan Gurney <bgurney@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>

diff --git a/drivers/md/dm-dust.c b/drivers/md/dm-dust.c
index 8288887..29626ff 100644 (file)
--- a/drivers/md/dm-dust.c
+++ b/drivers/md/dm-dust.c
@@ -375,7 +375,7 @@ static int dust_message(struct dm_target *ti, unsigned int argc, char **argv,
        struct dust_device *dd = ti->private;
        sector_t size = i_size_read(dd->dev->bdev->bd_inode) >> SECTOR_SHIFT;
        bool invalid_msg = false;
-       int result = -EINVAL;
+       int r = -EINVAL;
        unsigned long long tmp, block;
        unsigned long flags;
        char dummy;
@@ -388,45 +388,45 @@ static int dust_message(struct dm_target *ti, unsigned int argc, char **argv,
                } else if (!strcasecmp(argv[0], "disable")) {
                        DMINFO("disabling read failures on bad sectors");
                        dd->fail_read_on_bb = false;
-                       result = 0;
+                       r = 0;
                } else if (!strcasecmp(argv[0], "enable")) {
                        DMINFO("enabling read failures on bad sectors");
                        dd->fail_read_on_bb = true;
-                       result = 0;
+                       r = 0;
                } else if (!strcasecmp(argv[0], "countbadblocks")) {
                        spin_lock_irqsave(&dd->dust_lock, flags);
                        DMINFO("countbadblocks: %llu badblock(s) found",
                               dd->badblock_count);
                        spin_unlock_irqrestore(&dd->dust_lock, flags);
-                       result = 0;
+                       r = 0;
                } else if (!strcasecmp(argv[0], "clearbadblocks")) {
-                       result = dust_clear_badblocks(dd);
+                       r = dust_clear_badblocks(dd);
                } else if (!strcasecmp(argv[0], "quiet")) {
                        if (!dd->quiet_mode)
                                dd->quiet_mode = true;
                        else
                                dd->quiet_mode = false;
-                       result = 0;
+                       r = 0;
                } else {
                        invalid_msg = true;
                }
        } else if (argc == 2) {
                if (sscanf(argv[1], "%llu%c", &tmp, &dummy) != 1)
-                       return result;
+                       return r;
 
                block = tmp;
                sector_div(size, dd->sect_per_block);
                if (block > size) {
                        DMERR("selected block value out of range");
-                       return result;
+                       return r;
                }
 
                if (!strcasecmp(argv[0], "addbadblock"))
-                       result = dust_add_block(dd, block);
+                       r = dust_add_block(dd, block);
                else if (!strcasecmp(argv[0], "removebadblock"))
-                       result = dust_remove_block(dd, block);
+                       r = dust_remove_block(dd, block);
                else if (!strcasecmp(argv[0], "queryblock"))
-                       result = dust_query_block(dd, block);
+                       r = dust_query_block(dd, block);
                else
                        invalid_msg = true;
 
@@ -436,7 +436,7 @@ static int dust_message(struct dm_target *ti, unsigned int argc, char **argv,
        if (invalid_msg)
                DMERR("unrecognized message '%s' received", argv[0]);
 
-       return result;
+       return r;
 }
 
 static void dust_status(struct dm_target *ti, status_type_t type,
@@ -499,12 +499,12 @@ static struct target_type dust_target = {
 
 static int __init dm_dust_init(void)
 {
-       int result = dm_register_target(&dust_target);
+       int r = dm_register_target(&dust_target);
 
-       if (result < 0)
-               DMERR("dm_register_target failed %d", result);
+       if (r < 0)
+               DMERR("dm_register_target failed %d", r);
 
-       return result;
+       return r;
 }
 
 static void __exit dm_dust_exit(void)