From: Julia Lawall <Julia.Lawall@lip6.fr> To: Antti Palosaari <crope@iki.fi> Cc: kernel-janitors@vger.kernel.org, Mauro Carvalho Chehab <m.chehab@samsung.com>, linux-media@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 3/25] fix error return code Date: Sun, 29 Dec 2013 23:47:18 +0100 [thread overview] Message-ID: <1388357260-4843-4-git-send-email-Julia.Lawall@lip6.fr> (raw) In-Reply-To: <1388357260-4843-1-git-send-email-Julia.Lawall@lip6.fr> From: Julia Lawall <Julia.Lawall@lip6.fr> The rest of the function uses ret to store the return value, even setting ret to i a few lines before this, so return ret instead of i. A simplified version of the semantic match that finds this problem is as follows: (http://coccinelle.lip6.fr/) // <smpl> ( if@p1 (\(ret < 0\|ret != 0\)) { ... return ret; } | ret@p1 = 0 ) ... when != ret = e1 when != &ret *if(...) { ... when != ret = e2 when forall return ret; } // </smpl> Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr> --- Not tested. drivers/media/usb/dvb-usb-v2/ec168.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/media/usb/dvb-usb-v2/ec168.c b/drivers/media/usb/dvb-usb-v2/ec168.c index 5c68f39..0c2b377 100644 --- a/drivers/media/usb/dvb-usb-v2/ec168.c +++ b/drivers/media/usb/dvb-usb-v2/ec168.c @@ -170,7 +170,7 @@ static int ec168_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[], error: mutex_unlock(&d->i2c_mutex); - return i; + return ret; } static u32 ec168_i2c_func(struct i2c_adapter *adapter)
WARNING: multiple messages have this Message-ID (diff)
From: Julia Lawall <Julia.Lawall@lip6.fr> To: Antti Palosaari <crope@iki.fi> Cc: kernel-janitors@vger.kernel.org, Mauro Carvalho Chehab <m.chehab@samsung.com>, linux-media@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 3/25] fix error return code Date: Sun, 29 Dec 2013 21:59:33 +0000 [thread overview] Message-ID: <1388357260-4843-4-git-send-email-Julia.Lawall@lip6.fr> (raw) In-Reply-To: <1388357260-4843-1-git-send-email-Julia.Lawall@lip6.fr> From: Julia Lawall <Julia.Lawall@lip6.fr> The rest of the function uses ret to store the return value, even setting ret to i a few lines before this, so return ret instead of i. A simplified version of the semantic match that finds this problem is as follows: (http://coccinelle.lip6.fr/) // <smpl> ( if@p1 (\(ret < 0\|ret != 0\)) { ... return ret; } | ret@p1 = 0 ) ... when != ret = e1 when != &ret *if(...) { ... when != ret = e2 when forall return ret; } // </smpl> Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr> --- Not tested. drivers/media/usb/dvb-usb-v2/ec168.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/media/usb/dvb-usb-v2/ec168.c b/drivers/media/usb/dvb-usb-v2/ec168.c index 5c68f39..0c2b377 100644 --- a/drivers/media/usb/dvb-usb-v2/ec168.c +++ b/drivers/media/usb/dvb-usb-v2/ec168.c @@ -170,7 +170,7 @@ static int ec168_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[], error: mutex_unlock(&d->i2c_mutex); - return i; + return ret; } static u32 ec168_i2c_func(struct i2c_adapter *adapter)
next prev parent reply other threads:[~2013-12-29 21:51 UTC|newest] Thread overview: 88+ messages / expand[flat|nested] mbox.gz Atom feed top 2013-12-29 21:58 [PATCH 0/25] fix error return code Julia Lawall 2013-12-29 22:47 ` Julia Lawall 2013-12-29 22:47 ` Julia Lawall 2013-12-29 22:47 ` Julia Lawall 2013-12-29 22:47 ` Julia Lawall 2013-12-29 22:47 ` Julia Lawall 2013-12-29 21:52 ` [PATCH 23/25] thermal: exynos: " Julia Lawall 2013-12-29 22:47 ` Julia Lawall 2013-12-29 22:47 ` Julia Lawall 2013-12-30 1:31 ` Jingoo Han 2013-12-30 1:31 ` Jingoo Han 2013-12-30 1:31 ` Jingoo Han 2014-01-02 1:55 ` Zhang Rui 2014-01-02 1:55 ` Zhang Rui 2014-01-02 1:55 ` Zhang Rui 2013-12-29 21:53 ` [PATCH 21/25] fujitsu-laptop: " Julia Lawall 2013-12-29 22:47 ` Julia Lawall 2013-12-31 13:05 ` Jonathan Woithe 2013-12-31 13:17 ` Jonathan Woithe 2013-12-29 21:53 ` [PATCH 20/25] " Julia Lawall 2013-12-29 22:47 ` Julia Lawall 2013-12-29 21:53 ` [PATCH 15/25] " Julia Lawall 2013-12-29 22:47 ` Julia Lawall 2013-12-29 21:54 ` [PATCH 13/25] hamradio: 6pack: " Julia Lawall 2013-12-29 22:47 ` Julia Lawall 2014-01-02 8:31 ` David Miller 2014-01-02 8:31 ` David Miller 2013-12-29 21:54 ` [PATCH 24/25] " Julia Lawall 2013-12-29 22:47 ` Julia Lawall 2013-12-29 21:54 ` [PATCH 22/25] RDMA/nes: " Julia Lawall 2013-12-29 22:47 ` Julia Lawall 2013-12-29 21:54 ` [PATCH 14/25] RDMA/amso1100: " Julia Lawall 2013-12-29 22:47 ` Julia Lawall 2013-12-29 21:54 ` [PATCH 9/25] " Julia Lawall 2013-12-29 22:47 ` Julia Lawall 2013-12-29 21:55 ` [PATCH 19/25] " Julia Lawall 2013-12-29 22:47 ` Julia Lawall 2013-12-29 22:47 ` Julia Lawall 2013-12-29 21:58 ` Geert Uytterhoeven 2013-12-29 21:58 ` Geert Uytterhoeven 2013-12-29 21:58 ` Geert Uytterhoeven 2013-12-29 21:55 ` [PATCH 11/25] pcmcia: " Julia Lawall 2013-12-29 22:47 ` Julia Lawall 2013-12-29 21:55 ` [PATCH 12/25] HID: sony: " Julia Lawall 2013-12-29 22:47 ` Julia Lawall 2014-01-02 12:51 ` Jiri Kosina 2014-01-02 12:51 ` Jiri Kosina 2013-12-29 21:56 ` [PATCH 10/25] usb: gadget: " Julia Lawall 2013-12-29 22:47 ` Julia Lawall 2013-12-29 21:56 ` [PATCH 18/25] mtd: nand: " Julia Lawall 2013-12-29 22:47 ` Julia Lawall 2013-12-29 22:47 ` Julia Lawall 2013-12-29 21:56 ` [PATCH 16/25] block: " Julia Lawall 2013-12-29 22:47 ` Julia Lawall 2013-12-29 21:57 ` [PATCH 17/25] " Julia Lawall 2013-12-29 22:47 ` Julia Lawall 2013-12-29 21:57 ` [PATCH 6/25] " Julia Lawall 2013-12-29 22:47 ` Julia Lawall 2014-01-03 9:08 ` Jiri Kosina 2014-01-03 9:08 ` Jiri Kosina 2013-12-29 21:57 ` [PATCH 8/25] drivers/dma: " Julia Lawall 2013-12-29 22:47 ` Julia Lawall 2014-01-20 9:28 ` Vinod Koul 2014-01-20 9:40 ` Vinod Koul 2013-12-29 21:59 ` [PATCH 7/25] net: " Julia Lawall 2013-12-29 22:47 ` Julia Lawall 2014-01-02 8:31 ` David Miller 2014-01-02 8:31 ` David Miller 2013-12-29 21:59 ` [PATCH 5/25] IB/mlx4: " Julia Lawall 2013-12-29 22:47 ` Julia Lawall [not found] ` <1388357260-4843-6-git-send-email-Julia.Lawall-L2FTfq7BK8M@public.gmane.org> 2013-12-31 7:52 ` Jack Morgenstein 2013-12-31 7:52 ` Jack Morgenstein 2013-12-31 7:52 ` Jack Morgenstein 2013-12-29 21:59 ` Julia Lawall [this message] 2013-12-29 22:47 ` [PATCH 3/25] " Julia Lawall 2013-12-29 21:59 ` [PATCH 4/25] UBI: " Julia Lawall 2013-12-29 22:47 ` Julia Lawall 2013-12-29 22:47 ` Julia Lawall 2013-12-31 11:30 ` Richard Weinberger 2013-12-31 11:30 ` Richard Weinberger 2013-12-31 11:30 ` Richard Weinberger 2014-01-02 15:16 ` Artem Bityutskiy 2014-01-02 15:16 ` Artem Bityutskiy 2014-01-02 15:16 ` Artem Bityutskiy 2013-12-29 22:00 ` [PATCH 2/25] rsxx: " Julia Lawall 2013-12-29 22:47 ` Julia Lawall 2013-12-29 22:00 ` [PATCH 1/25] " Julia Lawall 2013-12-29 22:47 ` Julia Lawall
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