Message ID | 1380804633-14130-1-git-send-email-broonie@kernel.org (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
On 10/03/2013 07:50 AM, Mark Brown wrote: > From: Mark Brown <broonie@linaro.org> > > Commit 67a964490bfd14 (arm: use early_init_dt_scan) in the OF tree in > -next converts ARM to use early_init_dt_scan(), factoring out some common > code. However it ignores the return value of the function meaning that on > non-DT platforms the kernel fails to boot as it attempts to configure > itself using DT. > > Fix this by adding the appropriate return value check. I have this fixed already in my tree. I had not pushed out my -next branch with the fix, but have done so now. Rob > > Signed-off-by: Mark Brown <broonie@linaro.org> > --- > arch/arm/kernel/devtree.c | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) > > diff --git a/arch/arm/kernel/devtree.c b/arch/arm/kernel/devtree.c > index 04050f7..67f4ebe 100644 > --- a/arch/arm/kernel/devtree.c > +++ b/arch/arm/kernel/devtree.c > @@ -198,7 +198,8 @@ const struct machine_desc * __init setup_machine_fdt(unsigned int dt_phys) > if (!dt_phys) > return NULL; > > - early_init_dt_scan(phys_to_virt(dt_phys)); > + if (!early_init_dt_scan(phys_to_virt(dt_phys))) > + return NULL; > > /* Search the mdescs for the 'best' compatible value match */ > dt_root = of_get_flat_dt_root(); >
On Thu, Oct 3, 2013 at 5:50 AM, Mark Brown <broonie@kernel.org> wrote: > From: Mark Brown <broonie@linaro.org> > > Commit 67a964490bfd14 (arm: use early_init_dt_scan) in the OF tree in > -next converts ARM to use early_init_dt_scan(), factoring out some common > code. However it ignores the return value of the function meaning that on > non-DT platforms the kernel fails to boot as it attempts to configure > itself using DT. > > Fix this by adding the appropriate return value check. > > Signed-off-by: Mark Brown <broonie@linaro.org> Hm, I thought I had reported this to Rob and he had fixed it already. Is a stale version of the patches in the DT tree? -Olof
On Thu, Oct 03, 2013 at 11:37:52AM -0500, Rob Herring wrote: > I have this fixed already in my tree. I had not pushed out my -next > branch with the fix, but have done so now. OK, thanks - so long as it gets fixed that's the important thing.
diff --git a/arch/arm/kernel/devtree.c b/arch/arm/kernel/devtree.c index 04050f7..67f4ebe 100644 --- a/arch/arm/kernel/devtree.c +++ b/arch/arm/kernel/devtree.c @@ -198,7 +198,8 @@ const struct machine_desc * __init setup_machine_fdt(unsigned int dt_phys) if (!dt_phys) return NULL; - early_init_dt_scan(phys_to_virt(dt_phys)); + if (!early_init_dt_scan(phys_to_virt(dt_phys))) + return NULL; /* Search the mdescs for the 'best' compatible value match */ dt_root = of_get_flat_dt_root();