Messages in this thread | | | From | Michael Ellerman <> | Subject | Re: [PATCH] powerpc/fsl_msi: fix return error value in error handing path | Date | Wed, 28 Sep 2022 00:35:25 +1000 |
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cgel.zte@gmail.com writes: > From: Lv Ruyi <lv.ruyi@zte.com.cn> > > This function fsl_msi_setup_hwirq() seems to return zero on success and > non-zero on failure, but it returns zero in error handing path.
I agree it seems wrong, but I can't be sure the current code is wrong, so unless you're able to test this on actual hardware (or qemu), I'll drop this patch.
cheers
> Reported-by: Zeal Robot <zealci@zte.com.cn> > Signed-off-by: Lv Ruyi <lv.ruyi@zte.com.cn> > --- > arch/powerpc/sysdev/fsl_msi.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/arch/powerpc/sysdev/fsl_msi.c b/arch/powerpc/sysdev/fsl_msi.c > index b3475ae9f236..10f974cfa2f3 100644 > --- a/arch/powerpc/sysdev/fsl_msi.c > +++ b/arch/powerpc/sysdev/fsl_msi.c > @@ -353,7 +353,7 @@ static int fsl_msi_setup_hwirq(struct fsl_msi *msi, struct platform_device *dev, > if (!virt_msir) { > dev_err(&dev->dev, "%s: Cannot translate IRQ index %d\n", > __func__, irq_index); > - return 0; > + return -EINVAL; > } > > cascade_data = kzalloc(sizeof(struct fsl_msi_cascade_data), GFP_KERNEL); > -- > 2.25.1
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