linux-kernel - [PATCH] ZYNQ: platsmp: fix ioremap return value

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Date:   Thu, 30 Apr 2020 15:12:15 +0800
From:   Xu Wang <vulab@...as.ac.cn>
To:     linux@...linux.org.uk, michal.simek@...inx.com,
        linux-arm-kernel@...ts.infradead.org
Cc:     linux-kernel@...r.kernel.org
Subject: [PATCH] ZYNQ: platsmp: fix ioremap return value

In ioremap we should return -ENOMEM when it reports an
memory allocation failure.

Signed-off-by: Xu Wang <vulab@...as.ac.cn>
---
 arch/arm/mach-zynq/platsmp.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/mach-zynq/platsmp.c b/arch/arm/mach-zynq/platsmp.c
index 68ec303fa278..308f74f9b4f9 100644
--- a/arch/arm/mach-zynq/platsmp.c
+++ b/arch/arm/mach-zynq/platsmp.c
@@ -47,7 +47,7 @@ int zynq_cpun_start(u32 address, int cpu)
 				zero = ioremap(0, trampoline_code_size);
 				if (!zero) {
 					pr_warn("BOOTUP jump vectors not accessible\n");
-					return -1;
+					return -ENOMEM;
 				}
 			} else {
 				zero = (__force u8 __iomem *)PAGE_OFFSET;
-- 
2.17.1