Messages in this thread Patch in this message | | | From | Julia Lawall <> | Subject | [PATCH 4/16] [media] as102: fix error return code | Date | Sun, 5 Apr 2015 14:06:23 +0200 |
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Return a negative 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/media/usb/as102/as102_drv.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/drivers/media/usb/as102/as102_drv.c b/drivers/media/usb/as102/as102_drv.c index 8be1474..9dd7c7c 100644 --- a/drivers/media/usb/as102/as102_drv.c +++ b/drivers/media/usb/as102/as102_drv.c @@ -337,6 +337,7 @@ int as102_dvb_register(struct as102_dev_t *as102_dev) &as102_dev->bus_adap, as102_dev->elna_cfg); if (!as102_dev->dvb_fe) { + ret = -ENODEV; dev_err(dev, "%s: as102_attach() failed: %d", __func__, ret); goto efereg;
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