Jacob Garber has uploaded this change for review.

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northbridge/amd/pi: Fix null pointer check

- The `dev` pointer was being dereferenced before the null check.
This fixes Coverity CID 1241851 (REVERSE_INULL)
- Apply clang-format whitespace cleanups

Signed-off-by: Jacob Garber <jgarber1@ualberta.ca>
Change-Id: Ie578787c3c26a1f3acb4567c135486667e88a888
---
M src/northbridge/amd/pi/00730F01/dimmSpd.c
1 file changed, 9 insertions(+), 6 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/22/32022/1
diff --git a/src/northbridge/amd/pi/00730F01/dimmSpd.c b/src/northbridge/amd/pi/00730F01/dimmSpd.c
index 79e046e..bdfb074 100644
--- a/src/northbridge/amd/pi/00730F01/dimmSpd.c
+++ b/src/northbridge/amd/pi/00730F01/dimmSpd.c
@@ -24,13 +24,16 @@

#include <northbridge/amd/pi/dimmSpd.h>

-AGESA_STATUS AmdMemoryReadSPD (UINT32 unused1, UINTN unused2, AGESA_READ_SPD_PARAMS *info)
+AGESA_STATUS AmdMemoryReadSPD(UINT32 unused1, UINTN unused2, AGESA_READ_SPD_PARAMS *info)
{
- int spdAddress;
DEVTREE_CONST struct device *dev = pcidev_on_root(0x18, 2);
+
+ if (dev == 0)
+ return AGESA_ERROR;
+
DEVTREE_CONST struct northbridge_amd_pi_00730F01_config *config = dev->chip_info;

- if ((dev == 0) || (config == 0))
+ if (config == 0)
return AGESA_ERROR;

if (info->SocketId >= ARRAY_SIZE(config->spdAddrLookup))
@@ -40,13 +43,13 @@
if (info->DimmId >= ARRAY_SIZE(config->spdAddrLookup[0][0]))
return AGESA_ERROR;

- spdAddress = config->spdAddrLookup
- [info->SocketId] [info->MemChannelId] [info->DimmId];
+ int spdAddress = config->spdAddrLookup
+ [info->SocketId][info->MemChannelId][info->DimmId];

if (spdAddress == 0)
return AGESA_ERROR;

- int err = hudson_readSpd(spdAddress, (void *) info->Buffer, 128);
+ int err = hudson_readSpd(spdAddress, (void *)info->Buffer, 128);
if (err)
return AGESA_ERROR;
return AGESA_SUCCESS;

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Gerrit-Project: coreboot
Gerrit-Branch: master
Gerrit-Change-Id: Ie578787c3c26a1f3acb4567c135486667e88a888
Gerrit-Change-Number: 32022
Gerrit-PatchSet: 1
Gerrit-Owner: Jacob Garber <jgarber1@ualberta.ca>
Gerrit-MessageType: newchange