drivers/dma: fix error return code
Set the return variable to an error code as done elsewhere in the function.
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>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
diff --git a/drivers/dma/cppi41.c b/drivers/dma/cppi41.c
index c29dacf..c18aebf 100644
--- a/drivers/dma/cppi41.c
+++ b/drivers/dma/cppi41.c
@@ -972,8 +972,10 @@
goto err_chans;
irq = irq_of_parse_and_map(dev->of_node, 0);
- if (!irq)
+ if (!irq) {
+ ret = -EINVAL;
goto err_irq;
+ }
cppi_writel(USBSS_IRQ_PD_COMP, cdd->usbss_mem + USBSS_IRQ_ENABLER);
diff --git a/drivers/dma/ppc4xx/adma.c b/drivers/dma/ppc4xx/adma.c
index 8da48c6..f9e5c0a 100644
--- a/drivers/dma/ppc4xx/adma.c
+++ b/drivers/dma/ppc4xx/adma.c
@@ -4139,6 +4139,7 @@
regs = ioremap(res.start, resource_size(&res));
if (!regs) {
dev_err(&ofdev->dev, "failed to ioremap regs!\n");
+ ret = -ENOMEM;
goto err_regs_alloc;
}