From: Julia Lawall <Julia.Lawall@lip6.fr> To: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Cc: kernel-janitors@vger.kernel.org, David Airlie <airlied@linux.ie>, dri-devel@lists.freedesktop.org, linux-sh@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 4/5] drm/rcar-du: fix error return code Date: Sun, 23 Nov 2014 13:11:17 +0000 [thread overview] Message-ID: <1416748278-22881-5-git-send-email-Julia.Lawall@lip6.fr> (raw) In-Reply-To: <1416748278-22881-1-git-send-email-Julia.Lawall@lip6.fr> From: Julia Lawall <Julia.Lawall@lip6.fr> Propagate the error code on failure. A simplified version of the semantic match that finds this problem is as follows: (http://coccinelle.lip6.fr/) // <smpl> @@ identifier ret; expression e1,e2; @@ ( if (\(ret < 0\|ret != 0\)) { ... return ret; } | ret = 0 ) ... when != ret = e1 when != &ret *if(...) { ... when != ret = e2 when forall return ret; } // </smpl> Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr> --- drivers/gpu/drm/rcar-du/rcar_du_crtc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/rcar-du/rcar_du_crtc.c b/drivers/gpu/drm/rcar-du/rcar_du_crtc.c index 088bfd8..23cc910 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_crtc.c +++ b/drivers/gpu/drm/rcar-du/rcar_du_crtc.c @@ -586,7 +586,7 @@ int rcar_du_crtc_create(struct rcar_du_group *rgrp, unsigned int index) if (irq < 0) { dev_err(rcdu->dev, "no IRQ for CRTC %u\n", index); - return ret; + return irq; } ret = devm_request_irq(rcdu->dev, irq, rcar_du_crtc_irq, irqflags,
WARNING: multiple messages have this Message-ID (diff)
From: Julia Lawall <Julia.Lawall@lip6.fr> To: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Cc: kernel-janitors@vger.kernel.org, David Airlie <airlied@linux.ie>, dri-devel@lists.freedesktop.org, linux-sh@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 4/5] drm/rcar-du: fix error return code Date: Sun, 23 Nov 2014 14:11:17 +0100 [thread overview] Message-ID: <1416748278-22881-5-git-send-email-Julia.Lawall@lip6.fr> (raw) In-Reply-To: <1416748278-22881-1-git-send-email-Julia.Lawall@lip6.fr> From: Julia Lawall <Julia.Lawall@lip6.fr> Propagate the error code on failure. A simplified version of the semantic match that finds this problem is as follows: (http://coccinelle.lip6.fr/) // <smpl> @@ identifier ret; expression e1,e2; @@ ( if (\(ret < 0\|ret != 0\)) { ... return ret; } | ret = 0 ) ... when != ret = e1 when != &ret *if(...) { ... when != ret = e2 when forall return ret; } // </smpl> Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr> --- drivers/gpu/drm/rcar-du/rcar_du_crtc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/rcar-du/rcar_du_crtc.c b/drivers/gpu/drm/rcar-du/rcar_du_crtc.c index 088bfd8..23cc910 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_crtc.c +++ b/drivers/gpu/drm/rcar-du/rcar_du_crtc.c @@ -586,7 +586,7 @@ int rcar_du_crtc_create(struct rcar_du_group *rgrp, unsigned int index) if (irq < 0) { dev_err(rcdu->dev, "no IRQ for CRTC %u\n", index); - return ret; + return irq; } ret = devm_request_irq(rcdu->dev, irq, rcar_du_crtc_irq, irqflags,
next prev parent reply other threads:[~2014-11-23 13:11 UTC|newest] Thread overview: 89+ messages / expand[flat|nested] mbox.gz Atom feed top 2014-11-23 13:11 [PATCH 0/5] fix error return code Julia Lawall 2014-11-23 13:11 ` Julia Lawall 2014-11-23 13:11 ` Julia Lawall 2014-11-23 13:11 ` Julia Lawall 2014-11-23 13:11 ` [PATCH 1/5] mptfusion: " Julia Lawall 2014-11-23 13:11 ` Julia Lawall 2014-11-23 13:11 ` [PATCH 2/5] drm/exynos/ipp: " Julia Lawall 2014-11-23 13:11 ` Julia Lawall 2014-11-23 13:11 ` Julia Lawall 2014-11-23 13:11 ` [PATCH 3/5] electra_cf: " Julia Lawall 2014-11-23 13:11 ` Julia Lawall 2014-11-23 13:11 ` Julia Lawall [this message] 2014-11-23 13:11 ` [PATCH 4/5] drm/rcar-du: " Julia Lawall 2014-11-26 22:01 ` Laurent Pinchart 2014-11-26 22:01 ` Laurent Pinchart 2014-11-23 13:11 ` [PATCH 5/5] drivers/gpu/drm: " Julia Lawall 2014-11-23 13:11 ` Julia Lawall -- strict thread matches above, loose matches on Subject: below -- 2014-08-07 12:49 [PATCH 0/5] " Julia Lawall 2014-08-07 12:49 ` Julia Lawall 2014-08-07 12:49 ` Julia Lawall 2014-08-07 12:49 ` Julia Lawall 2014-08-07 12:49 ` [PATCH 1/5] avr32: " Julia Lawall 2014-08-07 12:49 ` Julia Lawall 2014-08-07 13:00 ` Hans-Christian Egtvedt 2014-08-07 13:00 ` Hans-Christian Egtvedt 2014-08-07 12:49 ` [PATCH 3/5] drivers/atm/atmtcp.c: " Julia Lawall 2014-08-07 12:49 ` Julia Lawall 2014-08-07 13:10 ` chas williams - CONTRACTOR 2014-08-07 13:10 ` chas williams - CONTRACTOR 2014-08-07 13:25 ` Julia Lawall 2014-08-07 13:25 ` Julia Lawall 2014-08-07 13:31 ` Julia Lawall 2014-08-07 13:31 ` Julia Lawall 2014-08-07 13:41 ` chas williams - CONTRACTOR 2014-08-07 13:41 ` chas williams - CONTRACTOR 2014-08-07 23:05 ` David Miller 2014-08-07 23:05 ` David Miller 2014-08-07 12:49 ` [PATCH 2/5] solos-pci: " Julia Lawall 2014-08-07 12:49 ` Julia Lawall 2014-08-07 13:14 ` chas williams - CONTRACTOR 2014-08-07 13:14 ` chas williams - CONTRACTOR 2014-08-07 23:04 ` David Miller 2014-08-07 23:04 ` David Miller 2014-08-07 12:49 ` [PATCH 4/5] netfilter: nf_tables: " Julia Lawall 2014-08-07 12:49 ` Julia Lawall 2014-08-11 16:41 ` Pablo Neira Ayuso 2014-08-11 16:41 ` Pablo Neira Ayuso 2014-08-07 12:49 ` [PATCH 5/5] kexec: " Julia Lawall 2014-08-07 12:49 ` Julia Lawall 2014-08-07 12:49 ` Julia Lawall 2012-08-14 12:58 [PATCH 0/5] " Julia Lawall 2012-08-14 12:58 ` Julia Lawall 2012-08-14 12:58 ` [PATCH 1/5] drivers/cdrom/gdrom.c: " Julia Lawall 2012-08-14 12:58 ` Julia Lawall 2012-08-14 12:58 ` [PATCH 2/5] drivers/dma/amba-pl08x.c: " Julia Lawall 2012-08-14 12:58 ` Julia Lawall 2012-08-22 4:29 ` Vinod Koul 2012-08-22 4:41 ` Vinod Koul 2012-08-14 12:58 ` [PATCH 3/5] drivers/net/ethernet/freescale/fs_enet: " Julia Lawall 2012-08-14 12:58 ` Julia Lawall 2012-08-14 12:58 ` Julia Lawall 2012-08-15 0:01 ` David Miller 2012-08-15 0:01 ` David Miller 2012-08-15 0:01 ` David Miller 2012-08-14 12:58 ` [PATCH 4/5] drivers/net/ethernet/mellanox/mlx4/mcg.c: " Julia Lawall 2012-08-14 12:58 ` Julia Lawall 2012-08-15 0:01 ` David Miller 2012-08-15 0:01 ` David Miller 2012-08-14 12:58 ` [PATCH 5/5] drivers/infiniband/hw/qib/qib_iba7322.c: " Julia Lawall 2012-08-14 12:58 ` Julia Lawall [not found] ` <1344949115-13266-6-git-send-email-Julia.Lawall-L2FTfq7BK8M@public.gmane.org> 2012-08-14 13:14 ` Marciniszyn, Mike 2012-08-14 13:14 ` Marciniszyn, Mike 2012-08-14 13:14 ` Marciniszyn, Mike 2012-08-14 6:47 [PATCH 0/5] " Julia Lawall 2012-08-14 6:47 ` Julia Lawall 2012-08-14 6:47 ` [PATCH 1/5] drivers/usb/gadget/s3c-hsotg.c: " Julia Lawall 2012-08-14 6:47 ` Julia Lawall 2012-08-14 6:47 ` [PATCH 2/5] drivers/tty/moxa.c: " Julia Lawall 2012-08-14 6:47 ` Julia Lawall 2012-08-14 6:47 ` [PATCH 3/5] drivers/usb/wusbcore/wa-hc.c: " Julia Lawall 2012-08-14 6:47 ` Julia Lawall 2012-08-14 6:47 ` [PATCH 4/5] drivers/usb/host/ohci-platform.c: " Julia Lawall 2012-08-14 6:47 ` Julia Lawall 2012-08-15 14:37 ` Alan Stern 2012-08-15 14:37 ` Alan Stern 2012-08-14 6:47 ` [PATCH 5/5] drivers/usb/host/ehci-platform.c: " Julia Lawall 2012-08-14 6:47 ` Julia Lawall 2012-08-15 14:37 ` Alan Stern 2012-08-15 14:37 ` Alan Stern
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