[PATCH] rbd: Use min_t() to fix comparison of distinct pointer types warning

[Geert Uytterhoeven]

drivers/block/rbd.c: In function âzero_pagesâ:
drivers/block/rbd.c:1102: warning: comparison of distinct pointer types lacks a cast

Remove the hackish casts and use min_t() to fix this.

Signed-off-by: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>
---
 drivers/block/rbd.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c
index 22ffd5d..1318c6b 100644
--- a/drivers/block/rbd.c
+++ b/drivers/block/rbd.c
@@ -1098,8 +1098,8 @@ static void zero_pages(struct page **pages, u64 offset, u64 end)
 		unsigned long flags;
 		void *kaddr;
 
-		page_offset = (size_t)(offset & ~PAGE_MASK);
-		length = min(PAGE_SIZE - page_offset, (size_t)(end - offset));
+		page_offset = offset & ~PAGE_MASK;
+		length = min_t(size_t, PAGE_SIZE - page_offset, end - offset);
 		local_irq_save(flags);
 		kaddr = kmap_atomic(*page);
 		memset(kaddr + page_offset, 0, length);
-- 
1.7.0.4

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