[PATCH] Block queue IO tracing support (blktrace) as of 2006-03-23

[powerpc.git] / drivers / md / dm-table.c

diff --git a/drivers/md/dm-table.c b/drivers/md/dm-table.c
index a5a4c0e..9b1e2f5 100644 (file)
--- a/drivers/md/dm-table.c
+++ b/drivers/md/dm-table.c
@@ -508,7 +508,7 @@ int dm_get_device(struct dm_target *ti, const char *path, sector_t start,
                if (q->merge_bvec_fn)
                        rs->max_sectors =
                                min_not_zero(rs->max_sectors,
-                                            (unsigned short)(PAGE_SIZE >> 9));
+                                            (unsigned int) (PAGE_SIZE >> 9));
 
                rs->max_phys_segments =
                        min_not_zero(rs->max_phys_segments,
@@ -638,7 +638,7 @@ int dm_split_args(int *argc, char ***argvp, char *input)
 static void check_for_valid_limits(struct io_restrictions *rs)
 {
        if (!rs->max_sectors)
-               rs->max_sectors = MAX_SECTORS;
+               rs->max_sectors = SAFE_MAX_SECTORS;
        if (!rs->max_phys_segments)
                rs->max_phys_segments = MAX_PHYS_SEGMENTS;
        if (!rs->max_hw_segments)
@@ -869,11 +869,17 @@ static void suspend_targets(struct dm_table *t, unsigned postsuspend)
 
 void dm_table_presuspend_targets(struct dm_table *t)
 {
+       if (!t)
+               return;
+
        return suspend_targets(t, 0);
 }
 
 void dm_table_postsuspend_targets(struct dm_table *t)
 {
+       if (!t)
+               return;
+
        return suspend_targets(t, 1);
 }