Re: [PATCH] drivers/media/dvb-frontends/rtl2830.c: correct double assignment
On 08/26/2012 07:15 PM, Julia Lawall wrote: From: Julia Lawall The double assignment is meant to be a bit-or to combine two values. A simplified version of the semantic match that finds this problem is as follows: (http://coccinelle.lip6.fr/) // @@ expression i; @@ *i = ...; i = ...; // Signed-off-by: Julia Lawall --- drivers/media/dvb-frontends/rtl2830.c |2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/media/dvb-frontends/rtl2830.c b/drivers/media/dvb-frontends/rtl2830.c index 8fa8b08..b6ab858 100644 --- a/drivers/media/dvb-frontends/rtl2830.c +++ b/drivers/media/dvb-frontends/rtl2830.c @@ -254,7 +254,7 @@ static int rtl2830_init(struct dvb_frontend *fe) goto err; buf[0] = tmp << 6; - buf[0] = (if_ctl >> 16) & 0x3f; + buf[0] |= (if_ctl >> 16) & 0x3f; buf[1] = (if_ctl >> 8) & 0xff; buf[2] = (if_ctl >> 0) & 0xff; Thank you! Acked-by: Antti Palosaari Reviewed-by: Antti Palosaari Antti -- http://palosaari.fi/ -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
[PATCH] drivers/media/dvb-frontends/rtl2830.c: correct double assignment
From: Julia Lawall The double assignment is meant to be a bit-or to combine two values. A simplified version of the semantic match that finds this problem is as follows: (http://coccinelle.lip6.fr/) // @@ expression i; @@ *i = ...; i = ...; // Signed-off-by: Julia Lawall --- drivers/media/dvb-frontends/rtl2830.c |2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/media/dvb-frontends/rtl2830.c b/drivers/media/dvb-frontends/rtl2830.c index 8fa8b08..b6ab858 100644 --- a/drivers/media/dvb-frontends/rtl2830.c +++ b/drivers/media/dvb-frontends/rtl2830.c @@ -254,7 +254,7 @@ static int rtl2830_init(struct dvb_frontend *fe) goto err; buf[0] = tmp << 6; - buf[0] = (if_ctl >> 16) & 0x3f; + buf[0] |= (if_ctl >> 16) & 0x3f; buf[1] = (if_ctl >> 8) & 0xff; buf[2] = (if_ctl >> 0) & 0xff; -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
[PATCH] drivers/media/dvb-frontends/rtl2830.c: correct double assignment
From: Julia Lawall julia.law...@lip6.fr The double assignment is meant to be a bit-or to combine two values. A simplified version of the semantic match that finds this problem is as follows: (http://coccinelle.lip6.fr/) // smpl @@ expression i; @@ *i = ...; i = ...; // /smpl Signed-off-by: Julia Lawall julia.law...@lip6.fr --- drivers/media/dvb-frontends/rtl2830.c |2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/media/dvb-frontends/rtl2830.c b/drivers/media/dvb-frontends/rtl2830.c index 8fa8b08..b6ab858 100644 --- a/drivers/media/dvb-frontends/rtl2830.c +++ b/drivers/media/dvb-frontends/rtl2830.c @@ -254,7 +254,7 @@ static int rtl2830_init(struct dvb_frontend *fe) goto err; buf[0] = tmp 6; - buf[0] = (if_ctl 16) 0x3f; + buf[0] |= (if_ctl 16) 0x3f; buf[1] = (if_ctl 8) 0xff; buf[2] = (if_ctl 0) 0xff; -- To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Re: [PATCH] drivers/media/dvb-frontends/rtl2830.c: correct double assignment
On 08/26/2012 07:15 PM, Julia Lawall wrote: From: Julia Lawall julia.law...@lip6.fr The double assignment is meant to be a bit-or to combine two values. A simplified version of the semantic match that finds this problem is as follows: (http://coccinelle.lip6.fr/) // smpl @@ expression i; @@ *i = ...; i = ...; // /smpl Signed-off-by: Julia Lawall julia.law...@lip6.fr --- drivers/media/dvb-frontends/rtl2830.c |2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/media/dvb-frontends/rtl2830.c b/drivers/media/dvb-frontends/rtl2830.c index 8fa8b08..b6ab858 100644 --- a/drivers/media/dvb-frontends/rtl2830.c +++ b/drivers/media/dvb-frontends/rtl2830.c @@ -254,7 +254,7 @@ static int rtl2830_init(struct dvb_frontend *fe) goto err; buf[0] = tmp 6; - buf[0] = (if_ctl 16) 0x3f; + buf[0] |= (if_ctl 16) 0x3f; buf[1] = (if_ctl 8) 0xff; buf[2] = (if_ctl 0) 0xff; Thank you! Acked-by: Antti Palosaari cr...@iki.fi Reviewed-by: Antti Palosaari cr...@iki.fi Antti -- http://palosaari.fi/ -- To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/