X-Git-Url: https://git.ucc.asn.au/?a=blobdiff_plain;f=KernelLand%2FModules%2FStorage%2FLVM%2Fvolumes.c;h=cf1a60d16307e9f1932440438d0f076fd71a241f;hb=d69e48450c7ea4be4a82c351b2d5dd0de3fc6241;hp=fafa1f3d2d3df365d1dd92369f6ade545f24a1a9;hpb=695800da5d26cd12d5dfa0a93d0ef1eed0533c78;p=tpg%2Facess2.git

diff --git a/KernelLand/Modules/Storage/LVM/volumes.c b/KernelLand/Modules/Storage/LVM/volumes.c
index fafa1f3d..cf1a60d1 100644
--- a/KernelLand/Modules/Storage/LVM/volumes.c
+++ b/KernelLand/Modules/Storage/LVM/volumes.c
@@ -30,6 +30,12 @@ int LVM_AddVolume(const tLVM_VolType *Type, const char *Name, void *Ptr, size_t
 	tLVM_Format	*fmt;
 	void	*first_block;
 
+	if( BlockCount == 0 || BlockSize == 0 ) {
+		Log_Error("LVM", "BlockSize(0x%x)/BlockCount(0x%x) invalid in LVM_AddVolume",
+			BlockSize, BlockCount);
+		return 1;
+	}
+
 	dummy_vol.Type = Type;
 	dummy_vol.Ptr = Ptr;
 	dummy_vol.BlockCount = BlockCount;
@@ -37,6 +43,10 @@ int LVM_AddVolume(const tLVM_VolType *Type, const char *Name, void *Ptr, size_t
 
 	// Read the first block of the volume	
 	first_block = malloc(BlockSize);
+	if( !first_block ) {
+		Log_Error("VLM", "LVM_AddVolume - malloc error on %i bytes", BlockSize);
+		return -1;
+	}
 	Type->Read(Ptr, 0, 1, first_block);
 	
 	// Determine Format
@@ -52,6 +62,7 @@ int LVM_AddVolume(const tLVM_VolType *Type, const char *Name, void *Ptr, size_t
 	real_vol->Next = NULL;
 	real_vol->Type = Type;
 	real_vol->Ptr = Ptr;
+	real_vol->BlockSize = BlockSize;
 	real_vol->BlockCount = BlockCount;
 	real_vol->nSubVolumes = dummy_vol.nSubVolumes;
 	real_vol->SubVolumes = (void*)( real_vol->Name + strlen(Name) + 1 );