The variable i is always checked against unsigned value and cannot be negative. This patch set it as unsigned. Signed-off-by: LABBE Corentin <clabbe.montjoie@xxxxxxxxx> --- drivers/crypto/sunxi-ss/sun4i-ss-cipher.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/crypto/sunxi-ss/sun4i-ss-cipher.c b/drivers/crypto/sunxi-ss/sun4i-ss-cipher.c index 3830d7c..90efd10 100644 --- a/drivers/crypto/sunxi-ss/sun4i-ss-cipher.c +++ b/drivers/crypto/sunxi-ss/sun4i-ss-cipher.c @@ -29,7 +29,8 @@ static int sun4i_ss_opti_poll(struct ablkcipher_request *areq) u32 tx_cnt = 0; u32 spaces; u32 v; - int i, err = 0; + int err = 0; + unsigned int i; unsigned int ileft = areq->nbytes; unsigned int oleft = areq->nbytes; unsigned int todo; @@ -139,7 +140,8 @@ static int sun4i_ss_cipher_poll(struct ablkcipher_request *areq) u32 tx_cnt = 0; u32 v; u32 spaces; - int i, err = 0; + int err = 0; + unsigned int i; unsigned int ileft = areq->nbytes; unsigned int oleft = areq->nbytes; unsigned int todo; -- 2.7.3 -- To unsubscribe from this list: send the line "unsubscribe linux-crypto" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html