Re: [PATCH] arch: riscv: fix logic error in parse_dtb

From: Atish Patra
Date: Thu Feb 07 2019 - 17:47:23 EST


On 2/7/19 6:44 AM, Andreas Schwab wrote:
The function early_init_dt_scan returns true if a DTB was detected.

Fixes: 8fd6e05c7463 ("arch: riscv: support kernel command line forcing when no DTB passed")
Signed-off-by: Andreas Schwab <schwab@xxxxxxx>
---
arch/riscv/kernel/setup.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/riscv/kernel/setup.c b/arch/riscv/kernel/setup.c
index 45e9a2f053dc..84f19ca6d88b 100644
--- a/arch/riscv/kernel/setup.c
+++ b/arch/riscv/kernel/setup.c
@@ -140,7 +140,7 @@ asmlinkage void __init setup_vm(void)
void __init parse_dtb(unsigned int hartid, void *dtb)
{
- if (!early_init_dt_scan(__va(dtb)))
+ if (early_init_dt_scan(__va(dtb)))
return;
pr_err("No DTB passed to the kernel\n");


Good catch. I was surprised to see "No DTB passed.." message with rc5.

Reviewed-by: Atish Patra <atish.patra@xxxxxxx>

Regards,
Atish