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-rw-r--r--arch/powerpc/sysdev/mmio_nvram.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/powerpc/sysdev/mmio_nvram.c b/arch/powerpc/sysdev/mmio_nvram.c
index ddc877a3a23a..69f5814ae6d4 100644
--- a/arch/powerpc/sysdev/mmio_nvram.c
+++ b/arch/powerpc/sysdev/mmio_nvram.c
@@ -129,7 +129,7 @@ int __init mmio_nvram_init(void)
goto out;
}
nvram_addr = r.start;
- mmio_nvram_len = r.end - r.start + 1;
+ mmio_nvram_len = resource_size(&r);
if ( (!mmio_nvram_len) || (!nvram_addr) ) {
printk(KERN_WARNING "nvram: address or length is 0\n");
ret = -EIO;
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