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X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Florin Pavelescu Cast to u64, so that multiplications and additions will be done in 64-bit arithmetic (and the results will also be 64-bit) and the possibility of integer overflow is eliminated. Fix Unintentional integer overflow reported by Coverity Reviewed-by: Viorel Suman Signed-off-by: Florin Pavelescu Signed-off-by: Peng Fan --- drivers/clk/imx/clk-pll14xx.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/clk/imx/clk-pll14xx.c b/drivers/clk/imx/clk-pll14xx.c index 6b2c849f8b71..78eedb1f4a79 100644 --- a/drivers/clk/imx/clk-pll14xx.c +++ b/drivers/clk/imx/clk-pll14xx.c @@ -118,7 +118,7 @@ static long pll14xx_calc_rate(struct clk_pll14xx *pll, int mdiv, int pdiv, u64 fout = prate; /* fout = (m * 65536 + k) * Fin / (p * 65536) / (1 << sdiv) */ - fout *= (mdiv * 65536 + kdiv); + fout *= ((u64)mdiv * 65536 + (u64)kdiv); pdiv *= 65536; do_div(fout, pdiv << sdiv);