MdeModulePkg/Universal/Network/Ip4Dxe/Ip4Config2Nv.c | 19 +++++++++++++++---- 1 file changed, 15 insertions(+), 4 deletions(-)
This patch updates the IP4 driver to use error status code instead of ASSERT
if failed to allocate memory buffer.
Cc: Ye Ting <ting.ye@intel.com>
Cc: Wu Jiaxin <jiaxin.wu@intel.com>
Cc: Wang Fan <fan.wang@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Fu Siyuan <siyuan.fu@intel.com>
---
MdeModulePkg/Universal/Network/Ip4Dxe/Ip4Config2Nv.c | 19 +++++++++++++++----
1 file changed, 15 insertions(+), 4 deletions(-)
diff --git a/MdeModulePkg/Universal/Network/Ip4Dxe/Ip4Config2Nv.c b/MdeModulePkg/Universal/Network/Ip4Dxe/Ip4Config2Nv.c
index c8dc6976d7..694a2d0e1f 100644
--- a/MdeModulePkg/Universal/Network/Ip4Dxe/Ip4Config2Nv.c
+++ b/MdeModulePkg/Universal/Network/Ip4Dxe/Ip4Config2Nv.c
@@ -293,8 +293,12 @@ Ip4Config2IpToStr (
@param[in] IpCount The size of IPv4 address list.
@param[out] Str The string contains several decimal dotted
IPv4 addresses separated by space.
+
+ @retval EFI_SUCCESS Operation is success.
+ @retval EFI_OUT_OF_RESOURCES Error occurs in allocating memory.
+
**/
-VOID
+EFI_STATUS
Ip4Config2IpListToStr (
IN EFI_IPv4_ADDRESS *Ip,
IN UINTN IpCount,
@@ -317,7 +321,9 @@ Ip4Config2IpListToStr (
TempIp = Ip + Index;
if (TempStr == NULL) {
TempStr = AllocateZeroPool(2 * IP4_STR_MAX_SIZE);
- ASSERT(TempStr != NULL);
+ if (TempStr == NULL) {
+ return EFI_OUT_OF_RESOURCES;
+ }
}
UnicodeSPrint (
@@ -347,6 +353,8 @@ Ip4Config2IpListToStr (
if (TempStr != NULL) {
FreePool(TempStr);
}
+
+ return EFI_SUCCESS;
}
/**
@@ -518,7 +526,7 @@ Ip4Config2ConvertConfigNvDataToIfrNvData (
Ip4Config2IpToStr (&Ip4Info->StationAddress, IfrNvData->StationAddress);
Ip4Config2IpToStr (&Ip4Info->SubnetMask, IfrNvData->SubnetMask);
Ip4Config2IpToStr (&GatewayAddress, IfrNvData->GatewayAddress);
- Ip4Config2IpListToStr (DnsAddress, DnsCount, IfrNvData->DnsAddress);
+ Status = Ip4Config2IpListToStr (DnsAddress, DnsCount, IfrNvData->DnsAddress);
Exit:
@@ -914,7 +922,10 @@ Ip4FormExtractConfig (
ConfigRequestHdr = HiiConstructConfigHdr (&gIp4Config2NvDataGuid, mIp4Config2StorageName, Private->ChildHandle);
Size = (StrLen (ConfigRequestHdr) + 32 + 1) * sizeof (CHAR16);
ConfigRequest = AllocateZeroPool (Size);
- ASSERT (ConfigRequest != NULL);
+ if (ConfigRequest == NULL) {
+ Status = EFI_OUT_OF_RESOURCES;
+ goto Failure;
+ }
AllocatedRequest = TRUE;
UnicodeSPrint (ConfigRequest, Size, L"%s&OFFSET=0&WIDTH=%016LX", ConfigRequestHdr, (UINT64)BufferSize);
--
2.13.0.windows.1
_______________________________________________
edk2-devel mailing list
edk2-devel@lists.01.org
https://lists.01.org/mailman/listinfo/edk2-devel
Reviewed-by: Ye Ting <ting.ye@intel.com>
-----Original Message-----
From: edk2-devel [mailto:edk2-devel-bounces@lists.01.org] On Behalf Of Fu Siyuan
Sent: Wednesday, December 13, 2017 10:43 AM
To: edk2-devel@lists.01.org
Cc: Ye, Ting <ting.ye@intel.com>; Wang, Fan <fan.wang@intel.com>; Wu, Jiaxin <jiaxin.wu@intel.com>
Subject: [edk2] [Patch] MdeModulePkg/Ip4Dxe: return error on memory allocate failure instead of ASSERT.
This patch updates the IP4 driver to use error status code instead of ASSERT if failed to allocate memory buffer.
Cc: Ye Ting <ting.ye@intel.com>
Cc: Wu Jiaxin <jiaxin.wu@intel.com>
Cc: Wang Fan <fan.wang@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Fu Siyuan <siyuan.fu@intel.com>
---
MdeModulePkg/Universal/Network/Ip4Dxe/Ip4Config2Nv.c | 19 +++++++++++++++----
1 file changed, 15 insertions(+), 4 deletions(-)
diff --git a/MdeModulePkg/Universal/Network/Ip4Dxe/Ip4Config2Nv.c b/MdeModulePkg/Universal/Network/Ip4Dxe/Ip4Config2Nv.c
index c8dc6976d7..694a2d0e1f 100644
--- a/MdeModulePkg/Universal/Network/Ip4Dxe/Ip4Config2Nv.c
+++ b/MdeModulePkg/Universal/Network/Ip4Dxe/Ip4Config2Nv.c
@@ -293,8 +293,12 @@ Ip4Config2IpToStr (
@param[in] IpCount The size of IPv4 address list.
@param[out] Str The string contains several decimal dotted
IPv4 addresses separated by space.
+
+ @retval EFI_SUCCESS Operation is success.
+ @retval EFI_OUT_OF_RESOURCES Error occurs in allocating memory.
+
**/
-VOID
+EFI_STATUS
Ip4Config2IpListToStr (
IN EFI_IPv4_ADDRESS *Ip,
IN UINTN IpCount,
@@ -317,7 +321,9 @@ Ip4Config2IpListToStr (
TempIp = Ip + Index;
if (TempStr == NULL) {
TempStr = AllocateZeroPool(2 * IP4_STR_MAX_SIZE);
- ASSERT(TempStr != NULL);
+ if (TempStr == NULL) {
+ return EFI_OUT_OF_RESOURCES;
+ }
}
UnicodeSPrint (
@@ -347,6 +353,8 @@ Ip4Config2IpListToStr (
if (TempStr != NULL) {
FreePool(TempStr);
}
+
+ return EFI_SUCCESS;
}
/**
@@ -518,7 +526,7 @@ Ip4Config2ConvertConfigNvDataToIfrNvData (
Ip4Config2IpToStr (&Ip4Info->StationAddress, IfrNvData->StationAddress);
Ip4Config2IpToStr (&Ip4Info->SubnetMask, IfrNvData->SubnetMask);
Ip4Config2IpToStr (&GatewayAddress, IfrNvData->GatewayAddress);
- Ip4Config2IpListToStr (DnsAddress, DnsCount, IfrNvData->DnsAddress);
+ Status = Ip4Config2IpListToStr (DnsAddress, DnsCount,
+ IfrNvData->DnsAddress);
Exit:
@@ -914,7 +922,10 @@ Ip4FormExtractConfig (
ConfigRequestHdr = HiiConstructConfigHdr (&gIp4Config2NvDataGuid, mIp4Config2StorageName, Private->ChildHandle);
Size = (StrLen (ConfigRequestHdr) + 32 + 1) * sizeof (CHAR16);
ConfigRequest = AllocateZeroPool (Size);
- ASSERT (ConfigRequest != NULL);
+ if (ConfigRequest == NULL) {
+ Status = EFI_OUT_OF_RESOURCES;
+ goto Failure;
+ }
AllocatedRequest = TRUE;
UnicodeSPrint (ConfigRequest, Size, L"%s&OFFSET=0&WIDTH=%016LX", ConfigRequestHdr, (UINT64)BufferSize);
--
2.13.0.windows.1
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