From b0f9bf369f34791cf8271be8c610a1e50ead6002 Mon Sep 17 00:00:00 2001 From: Wei Yongjun Date: Mon, 8 Oct 2012 08:35:56 -0300 Subject: [PATCH] [media] dvb-frontends: fix potential NULL pointer dereference in stv0900_set_mclk() The dereference should be moved below the NULL test. dpatch engine is used to auto generate this patch. (https://github.com/weiyj/dpatch) Signed-off-by: Wei Yongjun Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb-frontends/stv0900_core.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/media/dvb-frontends/stv0900_core.c b/drivers/media/dvb-frontends/stv0900_core.c index 262dfa5..b551ca3 100644 --- a/drivers/media/dvb-frontends/stv0900_core.c +++ b/drivers/media/dvb-frontends/stv0900_core.c @@ -300,15 +300,15 @@ static enum fe_stv0900_error stv0900_set_mclk(struct stv0900_internal *intp, u32 { u32 m_div, clk_sel; - dprintk("%s: Mclk set to %d, Quartz = %d\n", __func__, mclk, - intp->quartz); - if (intp == NULL) return STV0900_INVALID_HANDLE; if (intp->errs) return STV0900_I2C_ERROR; + dprintk("%s: Mclk set to %d, Quartz = %d\n", __func__, mclk, + intp->quartz); + clk_sel = ((stv0900_get_bits(intp, F0900_SELX1RATIO) == 1) ? 4 : 6); m_div = ((clk_sel * mclk) / intp->quartz) - 1; stv0900_write_bits(intp, F0900_M_DIV, m_div); -- 2.7.4