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From:   Andreas Schwab <schwab@suse.de>
To:     Paul Walmsley <paul.walmsley@sifive.com>
Cc:     linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org,
        paul@pwsan.com, palmer@sifive.com, aou@eecs.berkeley.edu
Subject: [PATCH] arch: riscv: fix logic error in parse_dtb
References: <alpine.DEB.2.21.9999.1812171913510.29609@viisi.sifive.com>
Date:   Thu, 07 Feb 2019 15:44:26 +0100
In-Reply-To: <alpine.DEB.2.21.9999.1812171913510.29609@viisi.sifive.com> (Paul
        Walmsley's message of "Mon, 17 Dec 2018 19:15:12 -0800 (PST)")
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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@suse.de>
---
 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");
-- 
2.20.1

-- 
Andreas Schwab, SUSE Labs, schwab@suse.de
GPG Key fingerprint = 0196 BAD8 1CE9 1970 F4BE  1748 E4D4 88E3 0EEA B9D7
"And now for something completely different."