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mmu: refine function map_mem_region

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function map_mem_region should return mapped_size, if something wrong,
it return 0.

the change is valid for release version, as at that time ASSERT()
in map_mem_region is empty.

Signed-off-by: Jason Chen CJ <jason.cj.chen@intel.com>
Acked-by: Eddie Dong <eddie.dong@intel.com>
This commit is contained in:
Jason Chen CJ 2018-04-05 06:56:49 +08:00 committed by lijinxia
parent 59dea38ee8
commit 22948c2af0
1 changed files with 3 additions and 2 deletions
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5
arch/x86/mmu.c
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@ -173,6 +173,7 @@ static uint32_t map_mem_region(void *vaddr, void *paddr,
|| request_type >= PAGING_REQUEST_TYPE_UNKNOWN) { || request_type >= PAGING_REQUEST_TYPE_UNKNOWN) {
/* Shouldn't go here */ /* Shouldn't go here */
ASSERT(false, "Incorrect Arguments. Failed to map region"); ASSERT(false, "Incorrect Arguments. Failed to map region");
return 0;
} }
/* switch based on of table */ /* switch based on of table */
@ -280,8 +281,8 @@ static uint32_t map_mem_region(void *vaddr, void *paddr,
break; break;
} }
default: default:
ASSERT("Bad memory map request type" == 0, ""); ASSERT(0, "Bad memory map request type");
break; return 0;
} }
} }