GCC complains about that %u is the wrong format string for size_t and
also that "ret" is unused.

Signed-off-by: Dan Carpenter <[email protected]>

diff --git a/drivers/crypto/img-hash.c b/drivers/crypto/img-hash.c
index fec61fc..601ab35 100644
--- a/drivers/crypto/img-hash.c
+++ b/drivers/crypto/img-hash.c
@@ -192,7 +192,7 @@ static int img_hash_xmit_cpu(struct img_hash_dev *hdev, 
const u8 *buf,
        u32 count, len32;
        const u32 *buffer = (const u32 *)buf;
 
-       dev_dbg(hdev->dev, "xmit_cpu:  length: %u bytes\n", length);
+       dev_dbg(hdev->dev, "xmit_cpu:  length: %zu bytes\n", length);
 
        if (final)
                hdev->flags |= DRIVER_FLAGS_FINAL;
@@ -459,7 +459,6 @@ static int img_hash_hw_init(struct img_hash_dev *hdev)
 {
        unsigned long long nbits;
        u32 u, l;
-       int ret;
 
        img_hash_write(hdev, CR_RESET, CR_RESET_SET);
        img_hash_write(hdev, CR_RESET, CR_RESET_UNSET);
--
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